64269920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^2$

素因数の和:145

約数の個数: 144

約数和(自身を含む): 181811952

約数和(自身を除く): 117542032

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 53, 55, 65, 80, 88, 104, 106, 110, 130, 143, 160, 176, 208, 212, 220, 260, 265, 286, 352, 416, 424, 440, 520, 530, 572, 583, 689, 715, 848, 880, 1040, 1060, 1144, 1166, 1378, 1430, 1696, 1760, 2080, 2120, 2288, 2332, 2756, 2809, 2860, 2915, 3445, 4240, 4576, 4664, 5512, 5618, 5720, 5830, 6890, 7579, 8480, 9328, 11024, 11236, 11440, 11660, 13780, 14045, 15158, 18656, 22048, 22472, 22880, 23320, 27560, 28090, 30316, 30899, 36517, 37895, 44944, 46640, 55120, 56180, 60632, 61798, 73034, 75790, 89888, 93280, 110240, 112360, 121264, 123596, 146068, 151580, 154495, 182585, 224720, 242528, 247192, 292136, 303160, 308990, 365170, 401687, 449440, 494384, 584272, 606320, 617980, 730340, 803374, 988768, 1168544, 1212640, 1235960, 1460680, 1606748, 2008435, 2471920, 2921360, 3213496, 4016870, 4943840, 5842720, 6426992, 8033740, 12853984, 16067480, 32134960, 64269920]

約数ペア:

[(1, 64269920), (2, 32134960), (4, 16067480), (5, 12853984), (8, 8033740), (10, 6426992), (11, 5842720), (13, 4943840), (16, 4016870), (20, 3213496), (22, 2921360), (26, 2471920), (32, 2008435), (40, 1606748), (44, 1460680), (52, 1235960), (53, 1212640), (55, 1168544), (65, 988768), (80, 803374), (88, 730340), (104, 617980), (106, 606320), (110, 584272), (130, 494384), (143, 449440), (160, 401687), (176, 365170), (208, 308990), (212, 303160), (220, 292136), (260, 247192), (265, 242528), (286, 224720), (352, 182585), (416, 154495), (424, 151580), (440, 146068), (520, 123596), (530, 121264), (572, 112360), (583, 110240), (689, 93280), (715, 89888), (848, 75790), (880, 73034), (1040, 61798), (1060, 60632), (1144, 56180), (1166, 55120), (1378, 46640), (1430, 44944), (1696, 37895), (1760, 36517), (2080, 30899), (2120, 30316), (2288, 28090), (2332, 27560), (2756, 23320), (2809, 22880), (2860, 22472), (2915, 22048), (3445, 18656), (4240, 15158), (4576, 14045), (4664, 13780), (5512, 11660), (5618, 11440), (5720, 11236), (5830, 11024), (6890, 9328), (7579, 8480)]