28756740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{9043}}^1$

素因数の和:9108

約数の個数: 48

約数和(自身を含む): 82047168

約数和(自身を除く): 53290428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 9043, 18086, 27129, 36172, 45215, 54258, 90430, 108516, 135645, 180860, 271290, 479279, 542580, 958558, 1437837, 1917116, 2396395, 2875674, 4792790, 5751348, 7189185, 9585580, 14378370, 28756740]

約数ペア:

[(1, 28756740), (2, 14378370), (3, 9585580), (4, 7189185), (5, 5751348), (6, 4792790), (10, 2875674), (12, 2396395), (15, 1917116), (20, 1437837), (30, 958558), (53, 542580), (60, 479279), (106, 271290), (159, 180860), (212, 135645), (265, 108516), (318, 90430), (530, 54258), (636, 45215), (795, 36172), (1060, 27129), (1590, 18086), (3180, 9043)]