256936680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:102

約数の個数: 768

約数和(自身を含む): 1207664640

約数和(自身を除く): 950727960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 23, 24, 26, 28, 30, 31, 33, 35, 36, 39, 40, 42, 44, 45, 46, 52, 55, 56, 60, 62, 63, 65, 66, 69, 70, 72, 77, 78, 84, 88, 90, 91, 92, 93, 99, 104, 105, 110, 115, 117, 120, 124, 126, 130, 132, 138, 140, 143, 154, 155, 156, 161, 165, 168, 180, 182, 184, 186, 195, 198, 207, 210, 217, 220, 230, 231, 234, 248, 252, 253, 260, 264, 273, 276, 279, 280, 286, 299, 308, 310, 312, 315, 322, 330, 341, 345, 360, 364, 372, 385, 390, 396, 403, 414, 420, 429, 434, 440, 455, 460, 462, 465, 468, 483, 495, 504, 506, 520, 546, 552, 558, 572, 585, 598, 616, 620, 630, 644, 651, 660, 682, 690, 693, 713, 715, 728, 744, 759, 770, 780, 792, 805, 806, 819, 828, 840, 858, 868, 897, 910, 920, 924, 930, 936, 966, 990, 1001, 1012, 1023, 1035, 1085, 1092, 1116, 1144, 1155, 1170, 1196, 1209, 1240, 1260, 1265, 1287, 1288, 1302, 1320, 1364, 1365, 1380, 1386, 1395, 1426, 1430, 1449, 1495, 1518, 1540, 1560, 1610, 1612, 1638, 1656, 1705, 1716, 1736, 1771, 1794, 1820, 1848, 1860, 1932, 1953, 1980, 2002, 2015, 2024, 2046, 2070, 2093, 2139, 2145, 2170, 2184, 2232, 2277, 2310, 2340, 2387, 2392, 2415, 2418, 2520, 2530, 2574, 2604, 2691, 2728, 2730, 2760, 2772, 2790, 2821, 2852, 2860, 2898, 2990, 3003, 3036, 3069, 3080, 3220, 3224, 3255, 3276, 3289, 3410, 3432, 3465, 3542, 3565, 3588, 3627, 3640, 3720, 3795, 3864, 3906, 3960, 4004, 4030, 4092, 4095, 4140, 4186, 4278, 4290, 4340, 4433, 4485, 4554, 4620, 4680, 4774, 4830, 4836, 4991, 5005, 5060, 5115, 5148, 5208, 5313, 5382, 5460, 5544, 5580, 5642, 5704, 5720, 5796, 5980, 6006, 6045, 6072, 6138, 6279, 6417, 6435, 6440, 6510, 6552, 6578, 6820, 6930, 7084, 7130, 7161, 7176, 7245, 7254, 7590, 7812, 7843, 8008, 8060, 8184, 8190, 8280, 8372, 8463, 8556, 8580, 8680, 8855, 8866, 8970, 9009, 9108, 9240, 9269, 9548, 9660, 9672, 9765, 9867, 9982, 10010, 10120, 10230, 10296, 10465, 10626, 10695, 10764, 10920, 11160, 11284, 11385, 11592, 11935, 11960, 12012, 12090, 12276, 12558, 12834, 12870, 13020, 13156, 13299, 13455, 13640, 13860, 14105, 14168, 14260, 14322, 14490, 14508, 14973, 15015, 15180, 15345, 15624, 15686, 15939, 16120, 16380, 16445, 16744, 16926, 17112, 17160, 17710, 17732, 17940, 18018, 18135, 18216, 18538, 18837, 19096, 19320, 19530, 19734, 19964, 20020, 20460, 20930, 21252, 21390, 21483, 21528, 22165, 22568, 22770, 23023, 23529, 23870, 24024, 24180, 24552, 24955, 25116, 25389, 25668, 25740, 26040, 26312, 26565, 26598, 26910, 27720, 27807, 28210, 28520, 28644, 28980, 29016, 29601, 29946, 30030, 30360, 30690, 31031, 31372, 31395, 31878, 32085, 32760, 32890, 33852, 35420, 35464, 35805, 35880, 36036, 36270, 37076, 37674, 39060, 39215, 39468, 39897, 39928, 40040, 40920, 41860, 42315, 42504, 42780, 42966, 44330, 44919, 45045, 45540, 46046, 46345, 47058, 47740, 48360, 49335, 49910, 50232, 50778, 51336, 51480, 53130, 53196, 53820, 54901, 55614, 56420, 57288, 57960, 59202, 59892, 60060, 61380, 62062, 62744, 62790, 63756, 64170, 64883, 65780, 66495, 67704, 69069, 70587, 70840, 71610, 72072, 72540, 74152, 74865, 75348, 78120, 78430, 78936, 79695, 79794, 83421, 83720, 84630, 85560, 85932, 88660, 89838, 90090, 91080, 92092, 92690, 93093, 94116, 94185, 95480, 98670, 99820, 101556, 101959, 106260, 106392, 107415, 107640, 109802, 111228, 112840, 115115, 117645, 118404, 119784, 120120, 122760, 124124, 125580, 126945, 127512, 128340, 129766, 131560, 132990, 138138, 139035, 141174, 143220, 145080, 148005, 149730, 150696, 155155, 156860, 159390, 159588, 164703, 166842, 169260, 171864, 177320, 179676, 180180, 184184, 185380, 186186, 188232, 188370, 194649, 197340, 199485, 199640, 203112, 203918, 207207, 212520, 214830, 219604, 222456, 224595, 230230, 235290, 236808, 248248, 251160, 253890, 256680, 259532, 265980, 274505, 276276, 278070, 279279, 282348, 286440, 296010, 299460, 305877, 310310, 313720, 318780, 319176, 324415, 329406, 333684, 338520, 345345, 352935, 359352, 360360, 370760, 372372, 376740, 389298, 394680, 398970, 407836, 414414, 417105, 429660, 439208, 449190, 460460, 465465, 470580, 494109, 507780, 509795, 519064, 531960, 549010, 552552, 556140, 558558, 564696, 583947, 592020, 598920, 611754, 620620, 637560, 648830, 658812, 667368, 690690, 705870, 713713, 744744, 753480, 778596, 797940, 815672, 823515, 828828, 834210, 859320, 898380, 917631, 920920, 930930, 941160, 973245, 988218, 1015560, 1019590, 1036035, 1098020, 1112280, 1117116, 1167894, 1184040, 1223508, 1241240, 1297660, 1317624, 1381380, 1396395, 1411740, 1427426, 1529385, 1557192, 1595880, 1647030, 1657656, 1668420, 1796760, 1835262, 1861860, 1946490, 1976436, 2039180, 2072070, 2141139, 2196040, 2234232, 2335788, 2447016, 2470545, 2595320, 2762760, 2792790, 2823480, 2854852, 2919735, 3058770, 3294060, 3336840, 3568565, 3670524, 3723720, 3892980, 3952872, 4078360, 4144140, 4282278, 4588155, 4671576, 4941090, 5585580, 5709704, 5839470, 6117540, 6423417, 6588120, 7137130, 7341048, 7785960, 8288280, 8564556, 9176310, 9882180, 10705695, 11171160, 11678940, 12235080, 12846834, 14274260, 17129112, 18352620, 19764360, 21411390, 23357880, 25693668, 28548520, 32117085, 36705240, 42822780, 51387336, 64234170, 85645560, 128468340, 256936680]

約数ペア:

[(1, 256936680), (2, 128468340), (3, 85645560), (4, 64234170), (5, 51387336), (6, 42822780), (7, 36705240), (8, 32117085), (9, 28548520), (10, 25693668), (11, 23357880), (12, 21411390), (13, 19764360), (14, 18352620), (15, 17129112), (18, 14274260), (20, 12846834), (21, 12235080), (22, 11678940), (23, 11171160), (24, 10705695), (26, 9882180), (28, 9176310), (30, 8564556), (31, 8288280), (33, 7785960), (35, 7341048), (36, 7137130), (39, 6588120), (40, 6423417), (42, 6117540), (44, 5839470), (45, 5709704), (46, 5585580), (52, 4941090), (55, 4671576), (56, 4588155), (60, 4282278), (62, 4144140), (63, 4078360), (65, 3952872), (66, 3892980), (69, 3723720), (70, 3670524), (72, 3568565), (77, 3336840), (78, 3294060), (84, 3058770), (88, 2919735), (90, 2854852), (91, 2823480), (92, 2792790), (93, 2762760), (99, 2595320), (104, 2470545), (105, 2447016), (110, 2335788), (115, 2234232), (117, 2196040), (120, 2141139), (124, 2072070), (126, 2039180), (130, 1976436), (132, 1946490), (138, 1861860), (140, 1835262), (143, 1796760), (154, 1668420), (155, 1657656), (156, 1647030), (161, 1595880), (165, 1557192), (168, 1529385), (180, 1427426), (182, 1411740), (184, 1396395), (186, 1381380), (195, 1317624), (198, 1297660), (207, 1241240), (210, 1223508), (217, 1184040), (220, 1167894), (230, 1117116), (231, 1112280), (234, 1098020), (248, 1036035), (252, 1019590), (253, 1015560), (260, 988218), (264, 973245), (273, 941160), (276, 930930), (279, 920920), (280, 917631), (286, 898380), (299, 859320), (308, 834210), (310, 828828), (312, 823515), (315, 815672), (322, 797940), (330, 778596), (341, 753480), (345, 744744), (360, 713713), (364, 705870), (372, 690690), (385, 667368), (390, 658812), (396, 648830), (403, 637560), (414, 620620), (420, 611754), (429, 598920), (434, 592020), (440, 583947), (455, 564696), (460, 558558), (462, 556140), (465, 552552), (468, 549010), (483, 531960), (495, 519064), (504, 509795), (506, 507780), (520, 494109), (546, 470580), (552, 465465), (558, 460460), (572, 449190), (585, 439208), (598, 429660), (616, 417105), (620, 414414), (630, 407836), (644, 398970), (651, 394680), (660, 389298), (682, 376740), (690, 372372), (693, 370760), (713, 360360), (715, 359352), (728, 352935), (744, 345345), (759, 338520), (770, 333684), (780, 329406), (792, 324415), (805, 319176), (806, 318780), (819, 313720), (828, 310310), (840, 305877), (858, 299460), (868, 296010), (897, 286440), (910, 282348), (920, 279279), (924, 278070), (930, 276276), (936, 274505), (966, 265980), (990, 259532), (1001, 256680), (1012, 253890), (1023, 251160), (1035, 248248), (1085, 236808), (1092, 235290), (1116, 230230), (1144, 224595), (1155, 222456), (1170, 219604), (1196, 214830), (1209, 212520), (1240, 207207), (1260, 203918), (1265, 203112), (1287, 199640), (1288, 199485), (1302, 197340), (1320, 194649), (1364, 188370), (1365, 188232), (1380, 186186), (1386, 185380), (1395, 184184), (1426, 180180), (1430, 179676), (1449, 177320), (1495, 171864), (1518, 169260), (1540, 166842), (1560, 164703), (1610, 159588), (1612, 159390), (1638, 156860), (1656, 155155), (1705, 150696), (1716, 149730), (1736, 148005), (1771, 145080), (1794, 143220), (1820, 141174), (1848, 139035), (1860, 138138), (1932, 132990), (1953, 131560), (1980, 129766), (2002, 128340), (2015, 127512), (2024, 126945), (2046, 125580), (2070, 124124), (2093, 122760), (2139, 120120), (2145, 119784), (2170, 118404), (2184, 117645), (2232, 115115), (2277, 112840), (2310, 111228), (2340, 109802), (2387, 107640), (2392, 107415), (2415, 106392), (2418, 106260), (2520, 101959), (2530, 101556), (2574, 99820), (2604, 98670), (2691, 95480), (2728, 94185), (2730, 94116), (2760, 93093), (2772, 92690), (2790, 92092), (2821, 91080), (2852, 90090), (2860, 89838), (2898, 88660), (2990, 85932), (3003, 85560), (3036, 84630), (3069, 83720), (3080, 83421), (3220, 79794), (3224, 79695), (3255, 78936), (3276, 78430), (3289, 78120), (3410, 75348), (3432, 74865), (3465, 74152), (3542, 72540), (3565, 72072), (3588, 71610), (3627, 70840), (3640, 70587), (3720, 69069), (3795, 67704), (3864, 66495), (3906, 65780), (3960, 64883), (4004, 64170), (4030, 63756), (4092, 62790), (4095, 62744), (4140, 62062), (4186, 61380), (4278, 60060), (4290, 59892), (4340, 59202), (4433, 57960), (4485, 57288), (4554, 56420), (4620, 55614), (4680, 54901), (4774, 53820), (4830, 53196), (4836, 53130), (4991, 51480), (5005, 51336), (5060, 50778), (5115, 50232), (5148, 49910), (5208, 49335), (5313, 48360), (5382, 47740), (5460, 47058), (5544, 46345), (5580, 46046), (5642, 45540), (5704, 45045), (5720, 44919), (5796, 44330), (5980, 42966), (6006, 42780), (6045, 42504), (6072, 42315), (6138, 41860), (6279, 40920), (6417, 40040), (6435, 39928), (6440, 39897), (6510, 39468), (6552, 39215), (6578, 39060), (6820, 37674), (6930, 37076), (7084, 36270), (7130, 36036), (7161, 35880), (7176, 35805), (7245, 35464), (7254, 35420), (7590, 33852), (7812, 32890), (7843, 32760), (8008, 32085), (8060, 31878), (8184, 31395), (8190, 31372), (8280, 31031), (8372, 30690), (8463, 30360), (8556, 30030), (8580, 29946), (8680, 29601), (8855, 29016), (8866, 28980), (8970, 28644), (9009, 28520), (9108, 28210), (9240, 27807), (9269, 27720), (9548, 26910), (9660, 26598), (9672, 26565), (9765, 26312), (9867, 26040), (9982, 25740), (10010, 25668), (10120, 25389), (10230, 25116), (10296, 24955), (10465, 24552), (10626, 24180), (10695, 24024), (10764, 23870), (10920, 23529), (11160, 23023), (11284, 22770), (11385, 22568), (11592, 22165), (11935, 21528), (11960, 21483), (12012, 21390), (12090, 21252), (12276, 20930), (12558, 20460), (12834, 20020), (12870, 19964), (13020, 19734), (13156, 19530), (13299, 19320), (13455, 19096), (13640, 18837), (13860, 18538), (14105, 18216), (14168, 18135), (14260, 18018), (14322, 17940), (14490, 17732), (14508, 17710), (14973, 17160), (15015, 17112), (15180, 16926), (15345, 16744), (15624, 16445), (15686, 16380), (15939, 16120)]