28455720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2857}}^1$

素因数の和:2954

約数の個数: 64

約数和(自身を含む): 86425920

約数和(自身を除く): 57970200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2490, 2857, 3320, 4980, 5714, 8571, 9960, 11428, 14285, 17142, 22856, 28570, 34284, 42855, 57140, 68568, 85710, 114280, 171420, 237131, 342840, 474262, 711393, 948524, 1185655, 1422786, 1897048, 2371310, 2845572, 3556965, 4742620, 5691144, 7113930, 9485240, 14227860, 28455720]

約数ペア:

[(1, 28455720), (2, 14227860), (3, 9485240), (4, 7113930), (5, 5691144), (6, 4742620), (8, 3556965), (10, 2845572), (12, 2371310), (15, 1897048), (20, 1422786), (24, 1185655), (30, 948524), (40, 711393), (60, 474262), (83, 342840), (120, 237131), (166, 171420), (249, 114280), (332, 85710), (415, 68568), (498, 57140), (664, 42855), (830, 34284), (996, 28570), (1245, 22856), (1660, 17142), (1992, 14285), (2490, 11428), (2857, 9960), (3320, 8571), (4980, 5714)]