165745020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{394631}}^1$

素因数の和:394650

約数の個数: 48

約数和(自身を含む): 530385408

約数和(自身を除く): 364640388

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, 394631, 789262, 1183893, 1578524, 1973155, 2367786, 2762417, 3946310, 4735572, 5524834, 5919465, 7892620, 8287251, 11049668, 11838930, 13812085, 16574502, 23677860, 27624170, 33149004, 41436255, 55248340, 82872510, 165745020]

約数ペア:

[(1, 165745020), (2, 82872510), (3, 55248340), (4, 41436255), (5, 33149004), (6, 27624170), (7, 23677860), (10, 16574502), (12, 13812085), (14, 11838930), (15, 11049668), (20, 8287251), (21, 7892620), (28, 5919465), (30, 5524834), (35, 4735572), (42, 3946310), (60, 2762417), (70, 2367786), (84, 1973155), (105, 1578524), (140, 1183893), (210, 789262), (420, 394631)]