81619830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{14867}}^1$

素因数の和:14941

約数の個数: 48

約数和(自身を含む): 215704944

約数和(自身を除く): 134085114

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 14867, 29734, 44601, 74335, 89202, 133803, 148670, 223005, 267606, 446010, 669015, 906887, 1338030, 1813774, 2720661, 4534435, 5441322, 8161983, 9068870, 13603305, 16323966, 27206610, 40809915, 81619830]

約数ペア:

[(1, 81619830), (2, 40809915), (3, 27206610), (5, 16323966), (6, 13603305), (9, 9068870), (10, 8161983), (15, 5441322), (18, 4534435), (30, 2720661), (45, 1813774), (61, 1338030), (90, 906887), (122, 669015), (183, 446010), (305, 267606), (366, 223005), (549, 148670), (610, 133803), (915, 89202), (1098, 74335), (1830, 44601), (2745, 29734), (5490, 14867)]