64772680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{231331}}^1$

素因数の和:231349

約数の個数: 32

約数和(自身を含む): 166559040

約数和(自身を除く): 101786360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 231331, 462662, 925324, 1156655, 1619317, 1850648, 2313310, 3238634, 4626620, 6477268, 8096585, 9253240, 12954536, 16193170, 32386340, 64772680]

約数ペア:

[(1, 64772680), (2, 32386340), (4, 16193170), (5, 12954536), (7, 9253240), (8, 8096585), (10, 6477268), (14, 4626620), (20, 3238634), (28, 2313310), (35, 1850648), (40, 1619317), (56, 1156655), (70, 925324), (140, 462662), (280, 231331)]