8989980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{557}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 25310880

約数和(自身を除く): 16320900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 557, 807, 1076, 1114, 1345, 1614, 1671, 2228, 2690, 2785, 3228, 3342, 4035, 5380, 5570, 6684, 8070, 8355, 11140, 16140, 16710, 33420, 149833, 299666, 449499, 599332, 749165, 898998, 1498330, 1797996, 2247495, 2996660, 4494990, 8989980]

約数ペア:

[(1, 8989980), (2, 4494990), (3, 2996660), (4, 2247495), (5, 1797996), (6, 1498330), (10, 898998), (12, 749165), (15, 599332), (20, 449499), (30, 299666), (60, 149833), (269, 33420), (538, 16710), (557, 16140), (807, 11140), (1076, 8355), (1114, 8070), (1345, 6684), (1614, 5570), (1671, 5380), (2228, 4035), (2690, 3342), (2785, 3228)]