864840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{7207}}^1$

素因数の和:7221

約数の個数: 32

約数和(自身を含む): 2594880

約数和(自身を除く): 1730040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 7207, 14414, 21621, 28828, 36035, 43242, 57656, 72070, 86484, 108105, 144140, 172968, 216210, 288280, 432420, 864840]

約数ペア:

[(1, 864840), (2, 432420), (3, 288280), (4, 216210), (5, 172968), (6, 144140), (8, 108105), (10, 86484), (12, 72070), (15, 57656), (20, 43242), (24, 36035), (30, 28828), (40, 21621), (60, 14414), (120, 7207)]