9988140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2729}}^1$

素因数の和:2802

約数の個数: 48

約数和(自身を含む): 28435680

約数和(自身を除く): 18447540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 2729, 3660, 5458, 8187, 10916, 13645, 16374, 27290, 32748, 40935, 54580, 81870, 163740, 166469, 332938, 499407, 665876, 832345, 998814, 1664690, 1997628, 2497035, 3329380, 4994070, 9988140]

約数ペア:

[(1, 9988140), (2, 4994070), (3, 3329380), (4, 2497035), (5, 1997628), (6, 1664690), (10, 998814), (12, 832345), (15, 665876), (20, 499407), (30, 332938), (60, 166469), (61, 163740), (122, 81870), (183, 54580), (244, 40935), (305, 32748), (366, 27290), (610, 16374), (732, 13645), (915, 10916), (1220, 8187), (1830, 5458), (2729, 3660)]