66868020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1381}}^1$

素因数の和:1665

約数の個数: 72

約数和(自身を含む): 203734440

約数和(自身を除く): 136866420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 269, 538, 807, 1076, 1345, 1381, 1614, 2421, 2690, 2762, 3228, 4035, 4143, 4842, 5380, 5524, 6905, 8070, 8286, 9684, 12105, 12429, 13810, 16140, 16572, 20715, 24210, 24858, 27620, 41430, 48420, 49716, 62145, 82860, 124290, 248580, 371489, 742978, 1114467, 1485956, 1857445, 2228934, 3343401, 3714890, 4457868, 5572335, 6686802, 7429780, 11144670, 13373604, 16717005, 22289340, 33434010, 66868020]

約数ペア:

[(1, 66868020), (2, 33434010), (3, 22289340), (4, 16717005), (5, 13373604), (6, 11144670), (9, 7429780), (10, 6686802), (12, 5572335), (15, 4457868), (18, 3714890), (20, 3343401), (30, 2228934), (36, 1857445), (45, 1485956), (60, 1114467), (90, 742978), (180, 371489), (269, 248580), (538, 124290), (807, 82860), (1076, 62145), (1345, 49716), (1381, 48420), (1614, 41430), (2421, 27620), (2690, 24858), (2762, 24210), (3228, 20715), (4035, 16572), (4143, 16140), (4842, 13810), (5380, 12429), (5524, 12105), (6905, 9684), (8070, 8286)]