81146490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{26261}}^1$

素因数の和:26374

約数の個数: 32

約数和(自身を含む): 196649856

約数和(自身を除く): 115503366

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 103, 206, 309, 515, 618, 1030, 1545, 3090, 26261, 52522, 78783, 131305, 157566, 262610, 393915, 787830, 2704883, 5409766, 8114649, 13524415, 16229298, 27048830, 40573245, 81146490]

約数ペア:

[(1, 81146490), (2, 40573245), (3, 27048830), (5, 16229298), (6, 13524415), (10, 8114649), (15, 5409766), (30, 2704883), (103, 787830), (206, 393915), (309, 262610), (515, 157566), (618, 131305), (1030, 78783), (1545, 52522), (3090, 26261)]