64718520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{539321}}^1$

素因数の和:539335

約数の個数: 32

約数和(自身を含む): 194155920

約数和(自身を除く): 129437400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 539321, 1078642, 1617963, 2157284, 2696605, 3235926, 4314568, 5393210, 6471852, 8089815, 10786420, 12943704, 16179630, 21572840, 32359260, 64718520]

約数ペア:

[(1, 64718520), (2, 32359260), (3, 21572840), (4, 16179630), (5, 12943704), (6, 10786420), (8, 8089815), (10, 6471852), (12, 5393210), (15, 4314568), (20, 3235926), (24, 2696605), (30, 2157284), (40, 1617963), (60, 1078642), (120, 539321)]