17979960

素因数分解:

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

素因数の和:840

約数の個数: 64

約数和(自身を含む): 54237600

約数和(自身を除く): 36257640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 557, 807, 1076, 1114, 1345, 1614, 1671, 2152, 2228, 2690, 2785, 3228, 3342, 4035, 4456, 5380, 5570, 6456, 6684, 8070, 8355, 10760, 11140, 13368, 16140, 16710, 22280, 32280, 33420, 66840, 149833, 299666, 449499, 599332, 749165, 898998, 1198664, 1498330, 1797996, 2247495, 2996660, 3595992, 4494990, 5993320, 8989980, 17979960]

約数ペア:

[(1, 17979960), (2, 8989980), (3, 5993320), (4, 4494990), (5, 3595992), (6, 2996660), (8, 2247495), (10, 1797996), (12, 1498330), (15, 1198664), (20, 898998), (24, 749165), (30, 599332), (40, 449499), (60, 299666), (120, 149833), (269, 66840), (538, 33420), (557, 32280), (807, 22280), (1076, 16710), (1114, 16140), (1345, 13368), (1614, 11140), (1671, 10760), (2152, 8355), (2228, 8070), (2690, 6684), (2785, 6456), (3228, 5570), (3342, 5380), (4035, 4456)]