647381280

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{14821}}^1$

素因数の和:14859

約数の個数: 192

約数和(自身を含む): 2510016768

約数和(自身を除く): 1862635488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 4368, 5460, 6240, 7280, 8736, 10920, 14560, 14821, 21840, 29642, 43680, 44463, 59284, 74105, 88926, 103747, 118568, 148210, 177852, 192673, 207494, 222315, 237136, 296420, 311241, 355704, 385346, 414988, 444630, 474272, 518735, 578019, 592840, 622482, 711408, 770692, 829976, 889260, 963365, 1037470, 1156038, 1185680, 1244964, 1348711, 1422816, 1541384, 1556205, 1659952, 1778520, 1926730, 2074940, 2312076, 2371360, 2489928, 2697422, 2890095, 3082768, 3112410, 3319904, 3557040, 3853460, 4046133, 4149880, 4624152, 4979856, 5394844, 5780190, 6165536, 6224820, 6743555, 7114080, 7706920, 8092266, 8299760, 9248304, 9959712, 10789688, 11560380, 12449640, 13487110, 15413840, 16184532, 16599520, 18496608, 20230665, 21579376, 23120760, 24899280, 26974220, 30827680, 32369064, 40461330, 43158752, 46241520, 49798560, 53948440, 64738128, 80922660, 92483040, 107896880, 129476256, 161845320, 215793760, 323690640, 647381280]

約数ペア:

[(1, 647381280), (2, 323690640), (3, 215793760), (4, 161845320), (5, 129476256), (6, 107896880), (7, 92483040), (8, 80922660), (10, 64738128), (12, 53948440), (13, 49798560), (14, 46241520), (15, 43158752), (16, 40461330), (20, 32369064), (21, 30827680), (24, 26974220), (26, 24899280), (28, 23120760), (30, 21579376), (32, 20230665), (35, 18496608), (39, 16599520), (40, 16184532), (42, 15413840), (48, 13487110), (52, 12449640), (56, 11560380), (60, 10789688), (65, 9959712), (70, 9248304), (78, 8299760), (80, 8092266), (84, 7706920), (91, 7114080), (96, 6743555), (104, 6224820), (105, 6165536), (112, 5780190), (120, 5394844), (130, 4979856), (140, 4624152), (156, 4149880), (160, 4046133), (168, 3853460), (182, 3557040), (195, 3319904), (208, 3112410), (210, 3082768), (224, 2890095), (240, 2697422), (260, 2489928), (273, 2371360), (280, 2312076), (312, 2074940), (336, 1926730), (364, 1778520), (390, 1659952), (416, 1556205), (420, 1541384), (455, 1422816), (480, 1348711), (520, 1244964), (546, 1185680), (560, 1156038), (624, 1037470), (672, 963365), (728, 889260), (780, 829976), (840, 770692), (910, 711408), (1040, 622482), (1092, 592840), (1120, 578019), (1248, 518735), (1365, 474272), (1456, 444630), (1560, 414988), (1680, 385346), (1820, 355704), (2080, 311241), (2184, 296420), (2730, 237136), (2912, 222315), (3120, 207494), (3360, 192673), (3640, 177852), (4368, 148210), (5460, 118568), (6240, 103747), (7280, 88926), (8736, 74105), (10920, 59284), (14560, 44463), (14821, 43680), (21840, 29642)]