128069680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{457}}^1$

素因数の和:614

約数の個数: 80

約数和(自身を含む): 310765824

約数和(自身を除く): 182696144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 113, 124, 155, 226, 248, 310, 452, 457, 496, 565, 620, 904, 914, 1130, 1240, 1808, 1828, 2260, 2285, 2480, 3503, 3656, 4520, 4570, 7006, 7312, 9040, 9140, 14012, 14167, 17515, 18280, 28024, 28334, 35030, 36560, 51641, 56048, 56668, 70060, 70835, 103282, 113336, 140120, 141670, 206564, 226672, 258205, 280240, 283340, 413128, 516410, 566680, 826256, 1032820, 1133360, 1600871, 2065640, 3201742, 4131280, 6403484, 8004355, 12806968, 16008710, 25613936, 32017420, 64034840, 128069680]

約数ペア:

[(1, 128069680), (2, 64034840), (4, 32017420), (5, 25613936), (8, 16008710), (10, 12806968), (16, 8004355), (20, 6403484), (31, 4131280), (40, 3201742), (62, 2065640), (80, 1600871), (113, 1133360), (124, 1032820), (155, 826256), (226, 566680), (248, 516410), (310, 413128), (452, 283340), (457, 280240), (496, 258205), (565, 226672), (620, 206564), (904, 141670), (914, 140120), (1130, 113336), (1240, 103282), (1808, 70835), (1828, 70060), (2260, 56668), (2285, 56048), (2480, 51641), (3503, 36560), (3656, 35030), (4520, 28334), (4570, 28024), (7006, 18280), (7312, 17515), (9040, 14167), (9140, 14012)]