31211940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{607}}^1\times {\mathrm{857}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 87639552

約数和(自身を除く): 56427612

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 607, 857, 1214, 1714, 1821, 2428, 2571, 3035, 3428, 3642, 4285, 5142, 6070, 7284, 8570, 9105, 10284, 12140, 12855, 17140, 18210, 25710, 36420, 51420, 520199, 1040398, 1560597, 2080796, 2600995, 3121194, 5201990, 6242388, 7802985, 10403980, 15605970, 31211940]

約数ペア:

[(1, 31211940), (2, 15605970), (3, 10403980), (4, 7802985), (5, 6242388), (6, 5201990), (10, 3121194), (12, 2600995), (15, 2080796), (20, 1560597), (30, 1040398), (60, 520199), (607, 51420), (857, 36420), (1214, 25710), (1714, 18210), (1821, 17140), (2428, 12855), (2571, 12140), (3035, 10284), (3428, 9105), (3642, 8570), (4285, 7284), (5142, 6070)]