217075920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{904483}}^1$

素因数の和:904499

約数の個数: 40

約数和(自身を含む): 672936096

約数和(自身を除く): 455860176

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 904483, 1808966, 2713449, 3617932, 4522415, 5426898, 7235864, 9044830, 10853796, 13567245, 14471728, 18089660, 21707592, 27134490, 36179320, 43415184, 54268980, 72358640, 108537960, 217075920]

約数ペア:

[(1, 217075920), (2, 108537960), (3, 72358640), (4, 54268980), (5, 43415184), (6, 36179320), (8, 27134490), (10, 21707592), (12, 18089660), (15, 14471728), (16, 13567245), (20, 10853796), (24, 9044830), (30, 7235864), (40, 5426898), (48, 4522415), (60, 3617932), (80, 2713449), (120, 1808966), (240, 904483)]