89908020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{1627}}^1$

素因数の和:1949

約数の個数: 72

約数和(自身を含む): 273777504

約数和(自身を除く): 183869484

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 307, 614, 921, 1228, 1535, 1627, 1842, 2763, 3070, 3254, 3684, 4605, 4881, 5526, 6140, 6508, 8135, 9210, 9762, 11052, 13815, 14643, 16270, 18420, 19524, 24405, 27630, 29286, 32540, 48810, 55260, 58572, 73215, 97620, 146430, 292860, 499489, 998978, 1498467, 1997956, 2497445, 2996934, 4495401, 4994890, 5993868, 7492335, 8990802, 9989780, 14984670, 17981604, 22477005, 29969340, 44954010, 89908020]

約数ペア:

[(1, 89908020), (2, 44954010), (3, 29969340), (4, 22477005), (5, 17981604), (6, 14984670), (9, 9989780), (10, 8990802), (12, 7492335), (15, 5993868), (18, 4994890), (20, 4495401), (30, 2996934), (36, 2497445), (45, 1997956), (60, 1498467), (90, 998978), (180, 499489), (307, 292860), (614, 146430), (921, 97620), (1228, 73215), (1535, 58572), (1627, 55260), (1842, 48810), (2763, 32540), (3070, 29286), (3254, 27630), (3684, 24405), (4605, 19524), (4881, 18420), (5526, 16270), (6140, 14643), (6508, 13815), (8135, 11052), (9210, 9762)]