87410680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1187}}^1$

素因数の和:1468

約数の個数: 64

約数和(自身を含む): 225815040

約数和(自身を除く): 138404360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 263, 280, 526, 1052, 1187, 1315, 1841, 2104, 2374, 2630, 3682, 4748, 5260, 5935, 7364, 8309, 9205, 9496, 10520, 11870, 14728, 16618, 18410, 23740, 33236, 36820, 41545, 47480, 66472, 73640, 83090, 166180, 312181, 332360, 624362, 1248724, 1560905, 2185267, 2497448, 3121810, 4370534, 6243620, 8741068, 10926335, 12487240, 17482136, 21852670, 43705340, 87410680]

約数ペア:

[(1, 87410680), (2, 43705340), (4, 21852670), (5, 17482136), (7, 12487240), (8, 10926335), (10, 8741068), (14, 6243620), (20, 4370534), (28, 3121810), (35, 2497448), (40, 2185267), (56, 1560905), (70, 1248724), (140, 624362), (263, 332360), (280, 312181), (526, 166180), (1052, 83090), (1187, 73640), (1315, 66472), (1841, 47480), (2104, 41545), (2374, 36820), (2630, 33236), (3682, 23740), (4748, 18410), (5260, 16618), (5935, 14728), (7364, 11870), (8309, 10520), (9205, 9496)]