28938120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1009}}^1$

素因数の和:1262

約数の個数: 64

約数和(自身を含む): 87264000

約数和(自身を除く): 58325880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1009, 1195, 1434, 1912, 2018, 2390, 2868, 3027, 3585, 4036, 4780, 5045, 5736, 6054, 7170, 8072, 9560, 10090, 12108, 14340, 15135, 20180, 24216, 28680, 30270, 40360, 60540, 121080, 241151, 482302, 723453, 964604, 1205755, 1446906, 1929208, 2411510, 2893812, 3617265, 4823020, 5787624, 7234530, 9646040, 14469060, 28938120]

約数ペア:

[(1, 28938120), (2, 14469060), (3, 9646040), (4, 7234530), (5, 5787624), (6, 4823020), (8, 3617265), (10, 2893812), (12, 2411510), (15, 1929208), (20, 1446906), (24, 1205755), (30, 964604), (40, 723453), (60, 482302), (120, 241151), (239, 121080), (478, 60540), (717, 40360), (956, 30270), (1009, 28680), (1195, 24216), (1434, 20180), (1912, 15135), (2018, 14340), (2390, 12108), (2868, 10090), (3027, 9560), (3585, 8072), (4036, 7170), (4780, 6054), (5045, 5736)]