66480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{277}}^1$

素因数の和:293

約数の個数: 40

約数和(自身を含む): 206832

約数和(自身を除く): 140352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 277, 554, 831, 1108, 1385, 1662, 2216, 2770, 3324, 4155, 4432, 5540, 6648, 8310, 11080, 13296, 16620, 22160, 33240, 66480]

約数ペア:

[(1, 66480), (2, 33240), (3, 22160), (4, 16620), (5, 13296), (6, 11080), (8, 8310), (10, 6648), (12, 5540), (15, 4432), (16, 4155), (20, 3324), (24, 2770), (30, 2216), (40, 1662), (48, 1385), (60, 1108), (80, 831), (120, 554), (240, 277)]