28939920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{3259}}^1$

素因数の和:3312

約数の個数: 80

約数和(自身を含む): 92166720

約数和(自身を除く): 63226800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 37, 40, 48, 60, 74, 80, 111, 120, 148, 185, 222, 240, 296, 370, 444, 555, 592, 740, 888, 1110, 1480, 1776, 2220, 2960, 3259, 4440, 6518, 8880, 9777, 13036, 16295, 19554, 26072, 32590, 39108, 48885, 52144, 65180, 78216, 97770, 120583, 130360, 156432, 195540, 241166, 260720, 361749, 391080, 482332, 602915, 723498, 782160, 964664, 1205830, 1446996, 1808745, 1929328, 2411660, 2893992, 3617490, 4823320, 5787984, 7234980, 9646640, 14469960, 28939920]

約数ペア:

[(1, 28939920), (2, 14469960), (3, 9646640), (4, 7234980), (5, 5787984), (6, 4823320), (8, 3617490), (10, 2893992), (12, 2411660), (15, 1929328), (16, 1808745), (20, 1446996), (24, 1205830), (30, 964664), (37, 782160), (40, 723498), (48, 602915), (60, 482332), (74, 391080), (80, 361749), (111, 260720), (120, 241166), (148, 195540), (185, 156432), (222, 130360), (240, 120583), (296, 97770), (370, 78216), (444, 65180), (555, 52144), (592, 48885), (740, 39108), (888, 32590), (1110, 26072), (1480, 19554), (1776, 16295), (2220, 13036), (2960, 9777), (3259, 8880), (4440, 6518)]