87615180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{757}}^1$

素因数の和:1415

約数の個数: 72

約数和(自身を含む): 266530992

約数和(自身を除く): 178915812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 643, 757, 1286, 1514, 1929, 2271, 2572, 3028, 3215, 3785, 3858, 4542, 5787, 6430, 6813, 7570, 7716, 9084, 9645, 11355, 11574, 12860, 13626, 15140, 19290, 22710, 23148, 27252, 28935, 34065, 38580, 45420, 57870, 68130, 115740, 136260, 486751, 973502, 1460253, 1947004, 2433755, 2920506, 4380759, 4867510, 5841012, 7301265, 8761518, 9735020, 14602530, 17523036, 21903795, 29205060, 43807590, 87615180]

約数ペア:

[(1, 87615180), (2, 43807590), (3, 29205060), (4, 21903795), (5, 17523036), (6, 14602530), (9, 9735020), (10, 8761518), (12, 7301265), (15, 5841012), (18, 4867510), (20, 4380759), (30, 2920506), (36, 2433755), (45, 1947004), (60, 1460253), (90, 973502), (180, 486751), (643, 136260), (757, 115740), (1286, 68130), (1514, 57870), (1929, 45420), (2271, 38580), (2572, 34065), (3028, 28935), (3215, 27252), (3785, 23148), (3858, 22710), (4542, 19290), (5787, 15140), (6430, 13626), (6813, 12860), (7570, 11574), (7716, 11355), (9084, 9645)]