72146240

素因数分解:

$2^6\times 5^1\times {\mathrm{225457}}^1$

素因数の和:225474

約数の個数: 28

約数和(自身を含む): 171798996

約数和(自身を除く): 99652756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 225457, 450914, 901828, 1127285, 1803656, 2254570, 3607312, 4509140, 7214624, 9018280, 14429248, 18036560, 36073120, 72146240]

約数ペア:

[(1, 72146240), (2, 36073120), (4, 18036560), (5, 14429248), (8, 9018280), (10, 7214624), (16, 4509140), (20, 3607312), (32, 2254570), (40, 1803656), (64, 1127285), (80, 901828), (160, 450914), (320, 225457)]