165715620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{691}}^1$

素因数の和:1281

約数の個数: 96

約数和(自身を含む): 531987456

約数和(自身を除く): 366271836

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, 571, 691, 1142, 1382, 1713, 2073, 2284, 2764, 2855, 3426, 3455, 3997, 4146, 4837, 5710, 6852, 6910, 7994, 8292, 8565, 9674, 10365, 11420, 11991, 13820, 14511, 15988, 17130, 19348, 19985, 20730, 23982, 24185, 29022, 34260, 39970, 41460, 47964, 48370, 58044, 59955, 72555, 79940, 96740, 119910, 145110, 239820, 290220, 394561, 789122, 1183683, 1578244, 1972805, 2367366, 2761927, 3945610, 4734732, 5523854, 5918415, 7891220, 8285781, 11047708, 11836830, 13809635, 16571562, 23673660, 27619270, 33143124, 41428905, 55238540, 82857810, 165715620]

約数ペア:

[(1, 165715620), (2, 82857810), (3, 55238540), (4, 41428905), (5, 33143124), (6, 27619270), (7, 23673660), (10, 16571562), (12, 13809635), (14, 11836830), (15, 11047708), (20, 8285781), (21, 7891220), (28, 5918415), (30, 5523854), (35, 4734732), (42, 3945610), (60, 2761927), (70, 2367366), (84, 1972805), (105, 1578244), (140, 1183683), (210, 789122), (420, 394561), (571, 290220), (691, 239820), (1142, 145110), (1382, 119910), (1713, 96740), (2073, 79940), (2284, 72555), (2764, 59955), (2855, 58044), (3426, 48370), (3455, 47964), (3997, 41460), (4146, 39970), (4837, 34260), (5710, 29022), (6852, 24185), (6910, 23982), (7994, 20730), (8292, 19985), (8565, 19348), (9674, 17130), (10365, 15988), (11420, 14511), (11991, 13820)]