15694207940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{231001}}^1$

素因数の和:231132

約数の個数: 48

約数和(自身を含む): 34151335680

約数和(自身を除く): 18457127740

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 1580, 3397, 6794, 13588, 16985, 33970, 67940, 231001, 462002, 924004, 1155005, 2310010, 4620020, 9933043, 18249079, 19866086, 36498158, 39732172, 49665215, 72996316, 91245395, 99330430, 182490790, 198660860, 364981580, 784710397, 1569420794, 3138841588, 3923551985, 7847103970, 15694207940]

約数ペア:

[(1, 15694207940), (2, 7847103970), (4, 3923551985), (5, 3138841588), (10, 1569420794), (20, 784710397), (43, 364981580), (79, 198660860), (86, 182490790), (158, 99330430), (172, 91245395), (215, 72996316), (316, 49665215), (395, 39732172), (430, 36498158), (790, 19866086), (860, 18249079), (1580, 9933043), (3397, 4620020), (6794, 2310010), (13588, 1155005), (16985, 924004), (33970, 462002), (67940, 231001)]