31230840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{821}}^1$

素因数の和:1152

約数の個数: 64

約数和(自身を含む): 94102560

約数和(自身を除く): 62871720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 317, 634, 821, 951, 1268, 1585, 1642, 1902, 2463, 2536, 3170, 3284, 3804, 4105, 4755, 4926, 6340, 6568, 7608, 8210, 9510, 9852, 12315, 12680, 16420, 19020, 19704, 24630, 32840, 38040, 49260, 98520, 260257, 520514, 780771, 1041028, 1301285, 1561542, 2082056, 2602570, 3123084, 3903855, 5205140, 6246168, 7807710, 10410280, 15615420, 31230840]

約数ペア:

[(1, 31230840), (2, 15615420), (3, 10410280), (4, 7807710), (5, 6246168), (6, 5205140), (8, 3903855), (10, 3123084), (12, 2602570), (15, 2082056), (20, 1561542), (24, 1301285), (30, 1041028), (40, 780771), (60, 520514), (120, 260257), (317, 98520), (634, 49260), (821, 38040), (951, 32840), (1268, 24630), (1585, 19704), (1642, 19020), (1902, 16420), (2463, 12680), (2536, 12315), (3170, 9852), (3284, 9510), (3804, 8210), (4105, 7608), (4755, 6568), (4926, 6340)]