221033040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{920971}}^1$

素因数の和:920987

約数の個数: 40

約数和(自身を含む): 685203168

約数和(自身を除く): 464170128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 920971, 1841942, 2762913, 3683884, 4604855, 5525826, 7367768, 9209710, 11051652, 13814565, 14735536, 18419420, 22103304, 27629130, 36838840, 44206608, 55258260, 73677680, 110516520, 221033040]

約数ペア:

[(1, 221033040), (2, 110516520), (3, 73677680), (4, 55258260), (5, 44206608), (6, 36838840), (8, 27629130), (10, 22103304), (12, 18419420), (15, 14735536), (16, 13814565), (20, 11051652), (24, 9209710), (30, 7367768), (40, 5525826), (48, 4604855), (60, 3683884), (80, 2762913), (120, 1841942), (240, 920971)]