281264520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{3121}}^1$

素因数の和:3886

約数の個数: 64

約数和(自身を含む): 845187840

約数和(自身を除く): 563923320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 751, 1502, 2253, 3004, 3121, 3755, 4506, 6008, 6242, 7510, 9012, 9363, 11265, 12484, 15020, 15605, 18024, 18726, 22530, 24968, 30040, 31210, 37452, 45060, 46815, 62420, 74904, 90120, 93630, 124840, 187260, 374520, 2343871, 4687742, 7031613, 9375484, 11719355, 14063226, 18750968, 23438710, 28126452, 35158065, 46877420, 56252904, 70316130, 93754840, 140632260, 281264520]

約数ペア:

[(1, 281264520), (2, 140632260), (3, 93754840), (4, 70316130), (5, 56252904), (6, 46877420), (8, 35158065), (10, 28126452), (12, 23438710), (15, 18750968), (20, 14063226), (24, 11719355), (30, 9375484), (40, 7031613), (60, 4687742), (120, 2343871), (751, 374520), (1502, 187260), (2253, 124840), (3004, 93630), (3121, 90120), (3755, 74904), (4506, 62420), (6008, 46815), (6242, 45060), (7510, 37452), (9012, 31210), (9363, 30040), (11265, 24968), (12484, 22530), (15020, 18726), (15605, 18024)]