28386840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{1033}}^1$

素因数の和:1276

約数の個数: 64

約数和(自身を含む): 85615200

約数和(自身を除く): 57228360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 229, 458, 687, 916, 1033, 1145, 1374, 1832, 2066, 2290, 2748, 3099, 3435, 4132, 4580, 5165, 5496, 6198, 6870, 8264, 9160, 10330, 12396, 13740, 15495, 20660, 24792, 27480, 30990, 41320, 61980, 123960, 236557, 473114, 709671, 946228, 1182785, 1419342, 1892456, 2365570, 2838684, 3548355, 4731140, 5677368, 7096710, 9462280, 14193420, 28386840]

約数ペア:

[(1, 28386840), (2, 14193420), (3, 9462280), (4, 7096710), (5, 5677368), (6, 4731140), (8, 3548355), (10, 2838684), (12, 2365570), (15, 1892456), (20, 1419342), (24, 1182785), (30, 946228), (40, 709671), (60, 473114), (120, 236557), (229, 123960), (458, 61980), (687, 41320), (916, 30990), (1033, 27480), (1145, 24792), (1374, 20660), (1832, 15495), (2066, 13740), (2290, 12396), (2748, 10330), (3099, 9160), (3435, 8264), (4132, 6870), (4580, 6198), (5165, 5496)]