256501440

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 504

約数和(自身を含む): 1044171648

約数和(自身を除く): 787670208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 17, 18, 20, 24, 26, 30, 31, 32, 34, 36, 39, 40, 45, 48, 51, 52, 60, 62, 64, 65, 68, 72, 78, 80, 85, 90, 93, 96, 102, 104, 117, 120, 124, 130, 136, 144, 153, 155, 156, 160, 169, 170, 180, 186, 192, 195, 204, 208, 221, 234, 240, 248, 255, 260, 272, 279, 288, 306, 310, 312, 320, 338, 340, 360, 372, 390, 403, 408, 416, 442, 465, 468, 480, 496, 507, 510, 520, 527, 544, 558, 576, 585, 612, 620, 624, 663, 676, 680, 720, 744, 765, 780, 806, 816, 832, 845, 884, 930, 936, 960, 992, 1014, 1020, 1040, 1054, 1088, 1105, 1116, 1170, 1209, 1224, 1240, 1248, 1326, 1352, 1360, 1395, 1440, 1488, 1521, 1530, 1560, 1581, 1612, 1632, 1690, 1768, 1860, 1872, 1984, 1989, 2015, 2028, 2040, 2080, 2108, 2210, 2232, 2340, 2418, 2448, 2480, 2496, 2535, 2635, 2652, 2704, 2720, 2790, 2873, 2880, 2976, 3042, 3060, 3120, 3162, 3224, 3264, 3315, 3380, 3536, 3627, 3720, 3744, 3978, 4030, 4056, 4080, 4160, 4216, 4420, 4464, 4680, 4743, 4836, 4896, 4960, 5070, 5239, 5270, 5304, 5408, 5440, 5580, 5746, 5952, 6045, 6084, 6120, 6240, 6324, 6448, 6630, 6760, 6851, 7072, 7254, 7440, 7488, 7605, 7905, 7956, 8060, 8112, 8160, 8432, 8619, 8840, 8928, 9360, 9486, 9672, 9792, 9920, 9945, 10140, 10478, 10540, 10608, 10816, 11160, 11492, 12090, 12168, 12240, 12480, 12648, 12896, 13260, 13520, 13702, 14144, 14365, 14508, 14880, 15210, 15717, 15810, 15912, 16120, 16224, 16320, 16864, 17238, 17680, 17856, 18135, 18720, 18972, 19344, 19890, 20280, 20553, 20956, 21080, 21216, 22320, 22984, 23715, 24180, 24336, 24480, 25296, 25792, 25857, 26195, 26520, 27040, 27404, 28730, 29016, 29760, 30420, 31434, 31620, 31824, 32240, 32448, 33728, 34255, 34476, 35360, 36270, 37440, 37944, 38688, 39780, 40560, 41106, 41912, 42160, 42432, 43095, 44640, 45968, 47151, 47430, 48360, 48672, 48960, 50592, 51714, 52390, 53040, 54080, 54808, 57460, 58032, 60840, 61659, 62868, 63240, 63648, 64480, 68510, 68952, 70720, 72540, 75888, 77376, 78585, 79560, 81120, 82212, 83824, 84320, 86190, 89063, 89280, 91936, 94302, 94860, 96720, 97344, 101184, 102765, 103428, 104780, 106080, 109616, 114920, 116064, 121680, 123318, 125736, 126480, 127296, 128960, 129285, 137020, 137904, 145080, 151776, 157170, 159120, 162240, 164424, 167648, 168640, 172380, 178126, 183872, 188604, 189720, 193440, 205530, 206856, 209560, 212160, 219232, 229840, 232128, 235755, 243360, 246636, 251472, 252960, 258570, 267189, 274040, 275808, 290160, 303552, 308295, 314340, 318240, 328848, 335296, 344760, 356252, 377208, 379440, 386880, 411060, 413712, 419120, 438464, 445315, 459680, 471510, 486720, 493272, 502944, 505920, 517140, 534378, 548080, 551616, 580320, 616590, 628680, 636480, 657696, 689520, 712504, 754416, 758880, 801567, 822120, 827424, 838240, 890630, 919360, 943020, 986544, 1005888, 1034280, 1068756, 1096160, 1160640, 1233180, 1257360, 1315392, 1335945, 1379040, 1425008, 1508832, 1517760, 1603134, 1644240, 1654848, 1676480, 1781260, 1886040, 1973088, 2068560, 2137512, 2192320, 2466360, 2514720, 2671890, 2758080, 2850016, 3017664, 3206268, 3288480, 3562520, 3772080, 3946176, 4007835, 4137120, 4275024, 4932720, 5029440, 5343780, 5700032, 6412536, 6576960, 7125040, 7544160, 8015670, 8274240, 8550048, 9865440, 10687560, 12825072, 14250080, 15088320, 16031340, 17100096, 19730880, 21375120, 25650144, 28500160, 32062680, 42750240, 51300288, 64125360, 85500480, 128250720, 256501440]

約数ペア:

[(1, 256501440), (2, 128250720), (3, 85500480), (4, 64125360), (5, 51300288), (6, 42750240), (8, 32062680), (9, 28500160), (10, 25650144), (12, 21375120), (13, 19730880), (15, 17100096), (16, 16031340), (17, 15088320), (18, 14250080), (20, 12825072), (24, 10687560), (26, 9865440), (30, 8550048), (31, 8274240), (32, 8015670), (34, 7544160), (36, 7125040), (39, 6576960), (40, 6412536), (45, 5700032), (48, 5343780), (51, 5029440), (52, 4932720), (60, 4275024), (62, 4137120), (64, 4007835), (65, 3946176), (68, 3772080), (72, 3562520), (78, 3288480), (80, 3206268), (85, 3017664), (90, 2850016), (93, 2758080), (96, 2671890), (102, 2514720), (104, 2466360), (117, 2192320), (120, 2137512), (124, 2068560), (130, 1973088), (136, 1886040), (144, 1781260), (153, 1676480), (155, 1654848), (156, 1644240), (160, 1603134), (169, 1517760), (170, 1508832), (180, 1425008), (186, 1379040), (192, 1335945), (195, 1315392), (204, 1257360), (208, 1233180), (221, 1160640), (234, 1096160), (240, 1068756), (248, 1034280), (255, 1005888), (260, 986544), (272, 943020), (279, 919360), (288, 890630), (306, 838240), (310, 827424), (312, 822120), (320, 801567), (338, 758880), (340, 754416), (360, 712504), (372, 689520), (390, 657696), (403, 636480), (408, 628680), (416, 616590), (442, 580320), (465, 551616), (468, 548080), (480, 534378), (496, 517140), (507, 505920), (510, 502944), (520, 493272), (527, 486720), (544, 471510), (558, 459680), (576, 445315), (585, 438464), (612, 419120), (620, 413712), (624, 411060), (663, 386880), (676, 379440), (680, 377208), (720, 356252), (744, 344760), (765, 335296), (780, 328848), (806, 318240), (816, 314340), (832, 308295), (845, 303552), (884, 290160), (930, 275808), (936, 274040), (960, 267189), (992, 258570), (1014, 252960), (1020, 251472), (1040, 246636), (1054, 243360), (1088, 235755), (1105, 232128), (1116, 229840), (1170, 219232), (1209, 212160), (1224, 209560), (1240, 206856), (1248, 205530), (1326, 193440), (1352, 189720), (1360, 188604), (1395, 183872), (1440, 178126), (1488, 172380), (1521, 168640), (1530, 167648), (1560, 164424), (1581, 162240), (1612, 159120), (1632, 157170), (1690, 151776), (1768, 145080), (1860, 137904), (1872, 137020), (1984, 129285), (1989, 128960), (2015, 127296), (2028, 126480), (2040, 125736), (2080, 123318), (2108, 121680), (2210, 116064), (2232, 114920), (2340, 109616), (2418, 106080), (2448, 104780), (2480, 103428), (2496, 102765), (2535, 101184), (2635, 97344), (2652, 96720), (2704, 94860), (2720, 94302), (2790, 91936), (2873, 89280), (2880, 89063), (2976, 86190), (3042, 84320), (3060, 83824), (3120, 82212), (3162, 81120), (3224, 79560), (3264, 78585), (3315, 77376), (3380, 75888), (3536, 72540), (3627, 70720), (3720, 68952), (3744, 68510), (3978, 64480), (4030, 63648), (4056, 63240), (4080, 62868), (4160, 61659), (4216, 60840), (4420, 58032), (4464, 57460), (4680, 54808), (4743, 54080), (4836, 53040), (4896, 52390), (4960, 51714), (5070, 50592), (5239, 48960), (5270, 48672), (5304, 48360), (5408, 47430), (5440, 47151), (5580, 45968), (5746, 44640), (5952, 43095), (6045, 42432), (6084, 42160), (6120, 41912), (6240, 41106), (6324, 40560), (6448, 39780), (6630, 38688), (6760, 37944), (6851, 37440), (7072, 36270), (7254, 35360), (7440, 34476), (7488, 34255), (7605, 33728), (7905, 32448), (7956, 32240), (8060, 31824), (8112, 31620), (8160, 31434), (8432, 30420), (8619, 29760), (8840, 29016), (8928, 28730), (9360, 27404), (9486, 27040), (9672, 26520), (9792, 26195), (9920, 25857), (9945, 25792), (10140, 25296), (10478, 24480), (10540, 24336), (10608, 24180), (10816, 23715), (11160, 22984), (11492, 22320), (12090, 21216), (12168, 21080), (12240, 20956), (12480, 20553), (12648, 20280), (12896, 19890), (13260, 19344), (13520, 18972), (13702, 18720), (14144, 18135), (14365, 17856), (14508, 17680), (14880, 17238), (15210, 16864), (15717, 16320), (15810, 16224), (15912, 16120)]