12764960

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:83

約数の個数: 144

約数和(自身を含む): 36292536

約数和(自身を除く): 23527576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 19, 20, 26, 32, 34, 38, 40, 52, 65, 68, 76, 80, 85, 95, 104, 130, 136, 152, 160, 170, 190, 208, 221, 247, 260, 272, 304, 323, 340, 361, 380, 416, 442, 494, 520, 544, 608, 646, 680, 722, 760, 884, 988, 1040, 1105, 1235, 1292, 1360, 1444, 1520, 1615, 1768, 1805, 1976, 2080, 2210, 2470, 2584, 2720, 2888, 3040, 3230, 3536, 3610, 3952, 4199, 4420, 4693, 4940, 5168, 5776, 6137, 6460, 7072, 7220, 7904, 8398, 8840, 9386, 9880, 10336, 11552, 12274, 12920, 14440, 16796, 17680, 18772, 19760, 20995, 23465, 24548, 25840, 28880, 30685, 33592, 35360, 37544, 39520, 41990, 46930, 49096, 51680, 57760, 61370, 67184, 75088, 79781, 83980, 93860, 98192, 122740, 134368, 150176, 159562, 167960, 187720, 196384, 245480, 319124, 335920, 375440, 398905, 490960, 638248, 671840, 750880, 797810, 981920, 1276496, 1595620, 2552992, 3191240, 6382480, 12764960]

約数ペア:

[(1, 12764960), (2, 6382480), (4, 3191240), (5, 2552992), (8, 1595620), (10, 1276496), (13, 981920), (16, 797810), (17, 750880), (19, 671840), (20, 638248), (26, 490960), (32, 398905), (34, 375440), (38, 335920), (40, 319124), (52, 245480), (65, 196384), (68, 187720), (76, 167960), (80, 159562), (85, 150176), (95, 134368), (104, 122740), (130, 98192), (136, 93860), (152, 83980), (160, 79781), (170, 75088), (190, 67184), (208, 61370), (221, 57760), (247, 51680), (260, 49096), (272, 46930), (304, 41990), (323, 39520), (340, 37544), (361, 35360), (380, 33592), (416, 30685), (442, 28880), (494, 25840), (520, 24548), (544, 23465), (608, 20995), (646, 19760), (680, 18772), (722, 17680), (760, 16796), (884, 14440), (988, 12920), (1040, 12274), (1105, 11552), (1235, 10336), (1292, 9880), (1360, 9386), (1444, 8840), (1520, 8398), (1615, 7904), (1768, 7220), (1805, 7072), (1976, 6460), (2080, 6137), (2210, 5776), (2470, 5168), (2584, 4940), (2720, 4693), (2888, 4420), (3040, 4199), (3230, 3952), (3536, 3610)]