257358710280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1\times {\mathrm{479}}^1$

素因数の和:1017

約数の個数: 512

約数和(自身を含む): 934281216000

約数和(自身を除く): 676922505720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 47, 56, 60, 62, 70, 84, 93, 94, 105, 120, 124, 140, 141, 155, 168, 186, 188, 210, 217, 235, 248, 280, 282, 310, 329, 372, 376, 420, 434, 439, 465, 470, 479, 564, 620, 651, 658, 705, 744, 840, 868, 878, 930, 940, 958, 987, 1085, 1128, 1240, 1302, 1316, 1317, 1410, 1437, 1457, 1645, 1736, 1756, 1860, 1880, 1916, 1974, 2170, 2195, 2395, 2604, 2632, 2634, 2820, 2874, 2914, 3073, 3255, 3290, 3353, 3512, 3720, 3832, 3948, 4340, 4371, 4390, 4790, 4935, 5208, 5268, 5640, 5748, 5828, 6146, 6510, 6580, 6585, 6706, 7185, 7285, 7896, 8680, 8742, 8780, 9219, 9580, 9870, 10059, 10199, 10536, 11496, 11656, 12292, 13020, 13160, 13170, 13412, 13609, 14370, 14570, 14849, 15365, 16765, 17484, 17560, 18438, 19160, 19740, 20118, 20398, 20633, 21855, 22513, 24584, 26040, 26340, 26824, 27218, 28740, 29140, 29698, 30597, 30730, 33530, 34968, 36876, 39480, 40236, 40796, 40827, 41266, 43710, 44547, 45026, 46095, 50295, 50995, 52680, 54436, 57480, 58280, 59396, 61194, 61460, 61899, 67060, 67539, 68045, 73752, 74245, 80472, 81592, 81654, 82532, 87420, 89094, 90052, 92190, 95263, 100590, 101990, 103165, 103943, 108872, 112565, 118792, 122388, 122920, 123798, 134120, 135078, 136090, 144431, 148490, 152985, 157591, 163308, 165064, 174840, 178188, 180104, 184380, 190526, 201180, 203980, 204135, 206330, 207886, 210281, 222735, 225130, 244776, 247596, 270156, 272180, 285789, 288862, 296980, 305970, 309495, 311829, 315182, 326616, 337695, 356376, 368760, 381052, 402360, 407960, 408270, 412660, 415772, 420562, 433293, 445470, 450260, 472773, 476315, 495192, 519715, 540312, 544360, 571578, 577724, 593960, 611940, 618990, 623658, 630364, 630843, 639623, 675390, 697903, 722155, 762104, 787955, 816540, 825320, 831544, 841124, 866586, 890940, 900520, 945546, 952630, 1039430, 1051405, 1143156, 1155448, 1223880, 1237980, 1247316, 1260728, 1261686, 1279246, 1350780, 1395806, 1428945, 1444310, 1471967, 1559145, 1575910, 1633080, 1682248, 1733172, 1781880, 1891092, 1905260, 1918869, 2078860, 2093709, 2102810, 2166465, 2286312, 2363865, 2475960, 2494632, 2523372, 2558492, 2701560, 2791612, 2857890, 2888620, 2943934, 3118290, 3151820, 3154215, 3198115, 3466344, 3489515, 3782184, 3810520, 3837738, 4157720, 4187418, 4205620, 4332930, 4415901, 4477361, 4727730, 4885321, 5046744, 5116984, 5583224, 5715780, 5777240, 5887868, 6236580, 6303640, 6308430, 6396230, 6518711, 6979030, 7359835, 7675476, 8374836, 8411240, 8665860, 8831802, 8954722, 9455460, 9594345, 9770642, 9883207, 10468545, 11431560, 11775736, 12473160, 12616860, 12792460, 13037422, 13432083, 13958060, 14655963, 14719670, 15350952, 16749672, 17331720, 17663604, 17909444, 18910920, 19188690, 19541284, 19556133, 19766414, 20937090, 22079505, 22386805, 24426605, 25233720, 25584920, 26074844, 26864166, 27916120, 29311926, 29439340, 29649621, 32593555, 35327208, 35818888, 38377380, 39082568, 39112266, 39532828, 41874180, 44159010, 44773610, 45630977, 48853210, 49416035, 52149688, 53728332, 58623852, 58878680, 59299242, 65187110, 67160415, 69182449, 73279815, 76754760, 78224532, 79065656, 83748360, 88318020, 89547220, 91261954, 97706420, 97780665, 98832070, 107456664, 117247704, 118598484, 130374220, 134320830, 136892931, 138364898, 146559630, 148248105, 156449064, 176636040, 179094440, 182523908, 195412840, 195561330, 197664140, 207547347, 228154885, 237196968, 260748440, 268641660, 273785862, 276729796, 293119260, 296496210, 306379417, 345912245, 365047816, 391122660, 395328280, 415094694, 456309770, 537283320, 547571724, 553459592, 586238520, 592992420, 612758834, 684464655, 691824490, 782245320, 830189388, 912619540, 919138251, 1037736735, 1095143448, 1185984840, 1225517668, 1368929310, 1383648980, 1531897085, 1660378776, 1825239080, 1838276502, 2075473470, 2144655919, 2451035336, 2737858620, 2767297960, 3063794170, 3676553004, 4150946940, 4289311838, 4595691255, 5475717240, 6127588340, 6433967757, 7353106008, 8301893880, 8578623676, 9191382510, 10723279595, 12255176680, 12867935514, 17157247352, 18382765020, 21446559190, 25735871028, 32169838785, 36765530040, 42893118380, 51471742056, 64339677570, 85786236760, 128679355140, 257358710280]

約数ペア:

[(1, 257358710280), (2, 128679355140), (3, 85786236760), (4, 64339677570), (5, 51471742056), (6, 42893118380), (7, 36765530040), (8, 32169838785), (10, 25735871028), (12, 21446559190), (14, 18382765020), (15, 17157247352), (20, 12867935514), (21, 12255176680), (24, 10723279595), (28, 9191382510), (30, 8578623676), (31, 8301893880), (35, 7353106008), (40, 6433967757), (42, 6127588340), (47, 5475717240), (56, 4595691255), (60, 4289311838), (62, 4150946940), (70, 3676553004), (84, 3063794170), (93, 2767297960), (94, 2737858620), (105, 2451035336), (120, 2144655919), (124, 2075473470), (140, 1838276502), (141, 1825239080), (155, 1660378776), (168, 1531897085), (186, 1383648980), (188, 1368929310), (210, 1225517668), (217, 1185984840), (235, 1095143448), (248, 1037736735), (280, 919138251), (282, 912619540), (310, 830189388), (329, 782245320), (372, 691824490), (376, 684464655), (420, 612758834), (434, 592992420), (439, 586238520), (465, 553459592), (470, 547571724), (479, 537283320), (564, 456309770), (620, 415094694), (651, 395328280), (658, 391122660), (705, 365047816), (744, 345912245), (840, 306379417), (868, 296496210), (878, 293119260), (930, 276729796), (940, 273785862), (958, 268641660), (987, 260748440), (1085, 237196968), (1128, 228154885), (1240, 207547347), (1302, 197664140), (1316, 195561330), (1317, 195412840), (1410, 182523908), (1437, 179094440), (1457, 176636040), (1645, 156449064), (1736, 148248105), (1756, 146559630), (1860, 138364898), (1880, 136892931), (1916, 134320830), (1974, 130374220), (2170, 118598484), (2195, 117247704), (2395, 107456664), (2604, 98832070), (2632, 97780665), (2634, 97706420), (2820, 91261954), (2874, 89547220), (2914, 88318020), (3073, 83748360), (3255, 79065656), (3290, 78224532), (3353, 76754760), (3512, 73279815), (3720, 69182449), (3832, 67160415), (3948, 65187110), (4340, 59299242), (4371, 58878680), (4390, 58623852), (4790, 53728332), (4935, 52149688), (5208, 49416035), (5268, 48853210), (5640, 45630977), (5748, 44773610), (5828, 44159010), (6146, 41874180), (6510, 39532828), (6580, 39112266), (6585, 39082568), (6706, 38377380), (7185, 35818888), (7285, 35327208), (7896, 32593555), (8680, 29649621), (8742, 29439340), (8780, 29311926), (9219, 27916120), (9580, 26864166), (9870, 26074844), (10059, 25584920), (10199, 25233720), (10536, 24426605), (11496, 22386805), (11656, 22079505), (12292, 20937090), (13020, 19766414), (13160, 19556133), (13170, 19541284), (13412, 19188690), (13609, 18910920), (14370, 17909444), (14570, 17663604), (14849, 17331720), (15365, 16749672), (16765, 15350952), (17484, 14719670), (17560, 14655963), (18438, 13958060), (19160, 13432083), (19740, 13037422), (20118, 12792460), (20398, 12616860), (20633, 12473160), (21855, 11775736), (22513, 11431560), (24584, 10468545), (26040, 9883207), (26340, 9770642), (26824, 9594345), (27218, 9455460), (28740, 8954722), (29140, 8831802), (29698, 8665860), (30597, 8411240), (30730, 8374836), (33530, 7675476), (34968, 7359835), (36876, 6979030), (39480, 6518711), (40236, 6396230), (40796, 6308430), (40827, 6303640), (41266, 6236580), (43710, 5887868), (44547, 5777240), (45026, 5715780), (46095, 5583224), (50295, 5116984), (50995, 5046744), (52680, 4885321), (54436, 4727730), (57480, 4477361), (58280, 4415901), (59396, 4332930), (61194, 4205620), (61460, 4187418), (61899, 4157720), (67060, 3837738), (67539, 3810520), (68045, 3782184), (73752, 3489515), (74245, 3466344), (80472, 3198115), (81592, 3154215), (81654, 3151820), (82532, 3118290), (87420, 2943934), (89094, 2888620), (90052, 2857890), (92190, 2791612), (95263, 2701560), (100590, 2558492), (101990, 2523372), (103165, 2494632), (103943, 2475960), (108872, 2363865), (112565, 2286312), (118792, 2166465), (122388, 2102810), (122920, 2093709), (123798, 2078860), (134120, 1918869), (135078, 1905260), (136090, 1891092), (144431, 1781880), (148490, 1733172), (152985, 1682248), (157591, 1633080), (163308, 1575910), (165064, 1559145), (174840, 1471967), (178188, 1444310), (180104, 1428945), (184380, 1395806), (190526, 1350780), (201180, 1279246), (203980, 1261686), (204135, 1260728), (206330, 1247316), (207886, 1237980), (210281, 1223880), (222735, 1155448), (225130, 1143156), (244776, 1051405), (247596, 1039430), (270156, 952630), (272180, 945546), (285789, 900520), (288862, 890940), (296980, 866586), (305970, 841124), (309495, 831544), (311829, 825320), (315182, 816540), (326616, 787955), (337695, 762104), (356376, 722155), (368760, 697903), (381052, 675390), (402360, 639623), (407960, 630843), (408270, 630364), (412660, 623658), (415772, 618990), (420562, 611940), (433293, 593960), (445470, 577724), (450260, 571578), (472773, 544360), (476315, 540312), (495192, 519715)]