255407880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1$

素因数の和:1284

約数の個数: 256

約数和(自身を含む): 993484800

約数和(自身を除く): 738076920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1092, 1140, 1231, 1235, 1330, 1365, 1482, 1560, 1596, 1729, 1820, 1976, 1995, 2184, 2280, 2462, 2470, 2660, 2730, 2964, 3192, 3458, 3640, 3693, 3705, 3990, 4924, 4940, 5187, 5320, 5460, 5928, 6155, 6916, 7386, 7410, 7980, 8617, 8645, 9848, 9880, 10374, 10920, 12310, 13832, 14772, 14820, 15960, 16003, 17234, 17290, 18465, 20748, 23389, 24620, 25851, 25935, 29544, 29640, 32006, 34468, 34580, 36930, 41496, 43085, 46778, 48009, 49240, 51702, 51870, 64012, 68936, 69160, 70167, 73860, 80015, 86170, 93556, 96018, 103404, 103740, 112021, 116945, 128024, 129255, 140334, 147720, 160030, 163723, 172340, 187112, 192036, 206808, 207480, 224042, 233890, 240045, 258510, 280668, 304057, 320060, 327446, 336063, 344680, 350835, 384072, 448084, 467780, 480090, 491169, 517020, 560105, 561336, 608114, 640120, 654892, 672126, 701670, 818615, 896168, 912171, 935560, 960180, 982338, 1034040, 1120210, 1216228, 1309784, 1344252, 1403340, 1520285, 1637230, 1680315, 1824342, 1920360, 1964676, 2128399, 2240420, 2432456, 2455845, 2688504, 2806680, 3040570, 3274460, 3360630, 3648684, 3929352, 4256798, 4480840, 4560855, 4911690, 6081140, 6385197, 6548920, 6721260, 7297368, 8513596, 9121710, 9823380, 10641995, 12162280, 12770394, 13442520, 17027192, 18243420, 19646760, 21283990, 25540788, 31925985, 36486840, 42567980, 51081576, 63851970, 85135960, 127703940, 255407880]

約数ペア:

[(1, 255407880), (2, 127703940), (3, 85135960), (4, 63851970), (5, 51081576), (6, 42567980), (7, 36486840), (8, 31925985), (10, 25540788), (12, 21283990), (13, 19646760), (14, 18243420), (15, 17027192), (19, 13442520), (20, 12770394), (21, 12162280), (24, 10641995), (26, 9823380), (28, 9121710), (30, 8513596), (35, 7297368), (38, 6721260), (39, 6548920), (40, 6385197), (42, 6081140), (52, 4911690), (56, 4560855), (57, 4480840), (60, 4256798), (65, 3929352), (70, 3648684), (76, 3360630), (78, 3274460), (84, 3040570), (91, 2806680), (95, 2688504), (104, 2455845), (105, 2432456), (114, 2240420), (120, 2128399), (130, 1964676), (133, 1920360), (140, 1824342), (152, 1680315), (156, 1637230), (168, 1520285), (182, 1403340), (190, 1344252), (195, 1309784), (210, 1216228), (228, 1120210), (247, 1034040), (260, 982338), (266, 960180), (273, 935560), (280, 912171), (285, 896168), (312, 818615), (364, 701670), (380, 672126), (390, 654892), (399, 640120), (420, 608114), (455, 561336), (456, 560105), (494, 517020), (520, 491169), (532, 480090), (546, 467780), (570, 448084), (665, 384072), (728, 350835), (741, 344680), (760, 336063), (780, 327446), (798, 320060), (840, 304057), (910, 280668), (988, 258510), (1064, 240045), (1092, 233890), (1140, 224042), (1231, 207480), (1235, 206808), (1330, 192036), (1365, 187112), (1482, 172340), (1560, 163723), (1596, 160030), (1729, 147720), (1820, 140334), (1976, 129255), (1995, 128024), (2184, 116945), (2280, 112021), (2462, 103740), (2470, 103404), (2660, 96018), (2730, 93556), (2964, 86170), (3192, 80015), (3458, 73860), (3640, 70167), (3693, 69160), (3705, 68936), (3990, 64012), (4924, 51870), (4940, 51702), (5187, 49240), (5320, 48009), (5460, 46778), (5928, 43085), (6155, 41496), (6916, 36930), (7386, 34580), (7410, 34468), (7980, 32006), (8617, 29640), (8645, 29544), (9848, 25935), (9880, 25851), (10374, 24620), (10920, 23389), (12310, 20748), (13832, 18465), (14772, 17290), (14820, 17234), (15960, 16003)]