82181680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1453}}^1$

素因数の和:1574

約数の個数: 80

約数和(自身を含む): 220682304

約数和(自身を除く): 138500624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 101, 112, 140, 202, 280, 404, 505, 560, 707, 808, 1010, 1414, 1453, 1616, 2020, 2828, 2906, 3535, 4040, 5656, 5812, 7070, 7265, 8080, 10171, 11312, 11624, 14140, 14530, 20342, 23248, 28280, 29060, 40684, 50855, 56560, 58120, 81368, 101710, 116240, 146753, 162736, 203420, 293506, 406840, 587012, 733765, 813680, 1027271, 1174024, 1467530, 2054542, 2348048, 2935060, 4109084, 5136355, 5870120, 8218168, 10272710, 11740240, 16436336, 20545420, 41090840, 82181680]

約数ペア:

[(1, 82181680), (2, 41090840), (4, 20545420), (5, 16436336), (7, 11740240), (8, 10272710), (10, 8218168), (14, 5870120), (16, 5136355), (20, 4109084), (28, 2935060), (35, 2348048), (40, 2054542), (56, 1467530), (70, 1174024), (80, 1027271), (101, 813680), (112, 733765), (140, 587012), (202, 406840), (280, 293506), (404, 203420), (505, 162736), (560, 146753), (707, 116240), (808, 101710), (1010, 81368), (1414, 58120), (1453, 56560), (1616, 50855), (2020, 40684), (2828, 29060), (2906, 28280), (3535, 23248), (4040, 20342), (5656, 14530), (5812, 14140), (7070, 11624), (7265, 11312), (8080, 10171)]