61452440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 166561920

約数和(自身を除く): 105109480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 53, 56, 70, 82, 101, 106, 140, 164, 202, 205, 212, 265, 280, 287, 328, 371, 404, 410, 424, 505, 530, 574, 707, 742, 808, 820, 1010, 1060, 1148, 1414, 1435, 1484, 1640, 1855, 2020, 2120, 2173, 2296, 2828, 2870, 2968, 3535, 3710, 4040, 4141, 4346, 5353, 5656, 5740, 7070, 7420, 8282, 8692, 10706, 10865, 11480, 14140, 14840, 15211, 16564, 17384, 20705, 21412, 21730, 26765, 28280, 28987, 30422, 33128, 37471, 41410, 42824, 43460, 53530, 57974, 60844, 74942, 76055, 82820, 86920, 107060, 115948, 121688, 144935, 149884, 152110, 165640, 187355, 214120, 219473, 231896, 289870, 299768, 304220, 374710, 438946, 579740, 608440, 749420, 877892, 1097365, 1159480, 1498840, 1536311, 1755784, 2194730, 3072622, 4389460, 6145244, 7681555, 8778920, 12290488, 15363110, 30726220, 61452440]

約数ペア:

[(1, 61452440), (2, 30726220), (4, 15363110), (5, 12290488), (7, 8778920), (8, 7681555), (10, 6145244), (14, 4389460), (20, 3072622), (28, 2194730), (35, 1755784), (40, 1536311), (41, 1498840), (53, 1159480), (56, 1097365), (70, 877892), (82, 749420), (101, 608440), (106, 579740), (140, 438946), (164, 374710), (202, 304220), (205, 299768), (212, 289870), (265, 231896), (280, 219473), (287, 214120), (328, 187355), (371, 165640), (404, 152110), (410, 149884), (424, 144935), (505, 121688), (530, 115948), (574, 107060), (707, 86920), (742, 82820), (808, 76055), (820, 74942), (1010, 60844), (1060, 57974), (1148, 53530), (1414, 43460), (1435, 42824), (1484, 41410), (1640, 37471), (1855, 33128), (2020, 30422), (2120, 28987), (2173, 28280), (2296, 26765), (2828, 21730), (2870, 21412), (2968, 20705), (3535, 17384), (3710, 16564), (4040, 15211), (4141, 14840), (4346, 14140), (5353, 11480), (5656, 10865), (5740, 10706), (7070, 8692), (7420, 8282)]