87305480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{263}}^1$

素因数の和:510

約数の個数: 64

約数和(自身を含む): 202815360

約数和(自身を除く): 115509880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 193, 215, 263, 344, 386, 430, 526, 772, 860, 965, 1052, 1315, 1544, 1720, 1930, 2104, 2630, 3860, 5260, 7720, 8299, 10520, 11309, 16598, 22618, 33196, 41495, 45236, 50759, 56545, 66392, 82990, 90472, 101518, 113090, 165980, 203036, 226180, 253795, 331960, 406072, 452360, 507590, 1015180, 2030360, 2182637, 4365274, 8730548, 10913185, 17461096, 21826370, 43652740, 87305480]

約数ペア:

[(1, 87305480), (2, 43652740), (4, 21826370), (5, 17461096), (8, 10913185), (10, 8730548), (20, 4365274), (40, 2182637), (43, 2030360), (86, 1015180), (172, 507590), (193, 452360), (215, 406072), (263, 331960), (344, 253795), (386, 226180), (430, 203036), (526, 165980), (772, 113090), (860, 101518), (965, 90472), (1052, 82990), (1315, 66392), (1544, 56545), (1720, 50759), (1930, 45236), (2104, 41495), (2630, 33196), (3860, 22618), (5260, 16598), (7720, 11309), (8299, 10520)]