80455620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{191561}}^1$

素因数の和:191580

約数の個数: 48

約数和(自身を含む): 257459328

約数和(自身を除く): 177003708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 191561, 383122, 574683, 766244, 957805, 1149366, 1340927, 1915610, 2298732, 2681854, 2873415, 3831220, 4022781, 5363708, 5746830, 6704635, 8045562, 11493660, 13409270, 16091124, 20113905, 26818540, 40227810, 80455620]

約数ペア:

[(1, 80455620), (2, 40227810), (3, 26818540), (4, 20113905), (5, 16091124), (6, 13409270), (7, 11493660), (10, 8045562), (12, 6704635), (14, 5746830), (15, 5363708), (20, 4022781), (21, 3831220), (28, 2873415), (30, 2681854), (35, 2298732), (42, 1915610), (60, 1340927), (70, 1149366), (84, 957805), (105, 766244), (140, 574683), (210, 383122), (420, 191561)]