64478680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230281}}^1$

素因数の和:230299

約数の個数: 32

約数和(自身を含む): 165803040

約数和(自身を除く): 101324360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230281, 460562, 921124, 1151405, 1611967, 1842248, 2302810, 3223934, 4605620, 6447868, 8059835, 9211240, 12895736, 16119670, 32239340, 64478680]

約数ペア:

[(1, 64478680), (2, 32239340), (4, 16119670), (5, 12895736), (7, 9211240), (8, 8059835), (10, 6447868), (14, 4605620), (20, 3223934), (28, 2302810), (35, 1842248), (40, 1611967), (56, 1151405), (70, 921124), (140, 460562), (280, 230281)]