12681420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{877}}^1$

素因数の和:1130

約数の個数: 48

約数和(自身を含む): 35695968

約数和(自身を除く): 23014548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 877, 964, 1205, 1446, 1754, 2410, 2631, 2892, 3508, 3615, 4385, 4820, 5262, 7230, 8770, 10524, 13155, 14460, 17540, 26310, 52620, 211357, 422714, 634071, 845428, 1056785, 1268142, 2113570, 2536284, 3170355, 4227140, 6340710, 12681420]

約数ペア:

[(1, 12681420), (2, 6340710), (3, 4227140), (4, 3170355), (5, 2536284), (6, 2113570), (10, 1268142), (12, 1056785), (15, 845428), (20, 634071), (30, 422714), (60, 211357), (241, 52620), (482, 26310), (723, 17540), (877, 14460), (964, 13155), (1205, 10524), (1446, 8770), (1754, 7230), (2410, 5262), (2631, 4820), (2892, 4385), (3508, 3615)]