30722680

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{3187}}^1$

素因数の和:3439

約数の個数: 32

約数和(自身を含む): 69434640

約数和(自身を除く): 38711960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 3187, 4820, 6374, 9640, 12748, 15935, 25496, 31870, 63740, 127480, 768067, 1536134, 3072268, 3840335, 6144536, 7680670, 15361340, 30722680]

約数ペア:

[(1, 30722680), (2, 15361340), (4, 7680670), (5, 6144536), (8, 3840335), (10, 3072268), (20, 1536134), (40, 768067), (241, 127480), (482, 63740), (964, 31870), (1205, 25496), (1928, 15935), (2410, 12748), (3187, 9640), (4820, 6374)]