16505820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{857}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 50594544

約数和(自身を除く): 34088724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 857, 963, 1070, 1284, 1605, 1714, 1926, 2140, 2571, 3210, 3428, 3852, 4285, 4815, 5142, 6420, 7713, 8570, 9630, 10284, 12855, 15426, 17140, 19260, 25710, 30852, 38565, 51420, 77130, 91699, 154260, 183398, 275097, 366796, 458495, 550194, 825291, 916990, 1100388, 1375485, 1650582, 1833980, 2750970, 3301164, 4126455, 5501940, 8252910, 16505820]

約数ペア:

[(1, 16505820), (2, 8252910), (3, 5501940), (4, 4126455), (5, 3301164), (6, 2750970), (9, 1833980), (10, 1650582), (12, 1375485), (15, 1100388), (18, 916990), (20, 825291), (30, 550194), (36, 458495), (45, 366796), (60, 275097), (90, 183398), (107, 154260), (180, 91699), (214, 77130), (321, 51420), (428, 38565), (535, 30852), (642, 25710), (857, 19260), (963, 17140), (1070, 15426), (1284, 12855), (1605, 10284), (1714, 9630), (1926, 8570), (2140, 7713), (2571, 6420), (3210, 5142), (3428, 4815), (3852, 4285)]