30287080

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2879}}^1$

素因数の和:3153

約数の個数: 32

約数和(自身を含む): 68428800

約数和(自身を除く): 38141720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 2104, 2630, 2879, 5260, 5758, 10520, 11516, 14395, 23032, 28790, 57580, 115160, 757177, 1514354, 3028708, 3785885, 6057416, 7571770, 15143540, 30287080]

約数ペア:

[(1, 30287080), (2, 15143540), (4, 7571770), (5, 6057416), (8, 3785885), (10, 3028708), (20, 1514354), (40, 757177), (263, 115160), (526, 57580), (1052, 28790), (1315, 23032), (2104, 14395), (2630, 11516), (2879, 10520), (5260, 5758)]