256829040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1193}}^1$

素因数の和:1248

約数の個数: 240

約数和(自身を含む): 970062912

約数和(自身を除く): 713233872

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 299, 312, 345, 360, 368, 390, 414, 460, 468, 520, 552, 585, 598, 624, 690, 720, 780, 828, 897, 920, 936, 1035, 1040, 1104, 1170, 1193, 1196, 1380, 1495, 1560, 1656, 1794, 1840, 1872, 2070, 2340, 2386, 2392, 2691, 2760, 2990, 3120, 3312, 3579, 3588, 4140, 4485, 4680, 4772, 4784, 5382, 5520, 5965, 5980, 7158, 7176, 8280, 8970, 9360, 9544, 10737, 10764, 11930, 11960, 13455, 14316, 14352, 15509, 16560, 17895, 17940, 19088, 21474, 21528, 23860, 23920, 26910, 27439, 28632, 31018, 35790, 35880, 42948, 43056, 46527, 47720, 53685, 53820, 54878, 57264, 62036, 71580, 71760, 77545, 82317, 85896, 93054, 95440, 107370, 107640, 109756, 124072, 137195, 139581, 143160, 155090, 164634, 171792, 186108, 214740, 215280, 219512, 232635, 246951, 248144, 274390, 279162, 286320, 310180, 329268, 356707, 372216, 411585, 429480, 439024, 465270, 493902, 548780, 558324, 620360, 658536, 697905, 713414, 744432, 823170, 858960, 930540, 987804, 1070121, 1097560, 1116648, 1234755, 1240720, 1317072, 1395810, 1426828, 1646340, 1783535, 1861080, 1975608, 2140242, 2195120, 2233296, 2469510, 2791620, 2853656, 3210363, 3292680, 3567070, 3722160, 3951216, 4280484, 4939020, 5350605, 5583240, 5707312, 6420726, 6585360, 7134140, 8560968, 9878040, 10701210, 11166480, 12841452, 14268280, 16051815, 17121936, 19756080, 21402420, 25682904, 28536560, 32103630, 42804840, 51365808, 64207260, 85609680, 128414520, 256829040]

約数ペア:

[(1, 256829040), (2, 128414520), (3, 85609680), (4, 64207260), (5, 51365808), (6, 42804840), (8, 32103630), (9, 28536560), (10, 25682904), (12, 21402420), (13, 19756080), (15, 17121936), (16, 16051815), (18, 14268280), (20, 12841452), (23, 11166480), (24, 10701210), (26, 9878040), (30, 8560968), (36, 7134140), (39, 6585360), (40, 6420726), (45, 5707312), (46, 5583240), (48, 5350605), (52, 4939020), (60, 4280484), (65, 3951216), (69, 3722160), (72, 3567070), (78, 3292680), (80, 3210363), (90, 2853656), (92, 2791620), (104, 2469510), (115, 2233296), (117, 2195120), (120, 2140242), (130, 1975608), (138, 1861080), (144, 1783535), (156, 1646340), (180, 1426828), (184, 1395810), (195, 1317072), (207, 1240720), (208, 1234755), (230, 1116648), (234, 1097560), (240, 1070121), (260, 987804), (276, 930540), (299, 858960), (312, 823170), (345, 744432), (360, 713414), (368, 697905), (390, 658536), (414, 620360), (460, 558324), (468, 548780), (520, 493902), (552, 465270), (585, 439024), (598, 429480), (624, 411585), (690, 372216), (720, 356707), (780, 329268), (828, 310180), (897, 286320), (920, 279162), (936, 274390), (1035, 248144), (1040, 246951), (1104, 232635), (1170, 219512), (1193, 215280), (1196, 214740), (1380, 186108), (1495, 171792), (1560, 164634), (1656, 155090), (1794, 143160), (1840, 139581), (1872, 137195), (2070, 124072), (2340, 109756), (2386, 107640), (2392, 107370), (2691, 95440), (2760, 93054), (2990, 85896), (3120, 82317), (3312, 77545), (3579, 71760), (3588, 71580), (4140, 62036), (4485, 57264), (4680, 54878), (4772, 53820), (4784, 53685), (5382, 47720), (5520, 46527), (5965, 43056), (5980, 42948), (7158, 35880), (7176, 35790), (8280, 31018), (8970, 28632), (9360, 27439), (9544, 26910), (10737, 23920), (10764, 23860), (11930, 21528), (11960, 21474), (13455, 19088), (14316, 17940), (14352, 17895), (15509, 16560)]