66982020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{22783}}^1$

素因数の和:22809

約数の個数: 72

約数和(自身を含む): 218179584

約数和(自身を除く): 151197564

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 22783, 45566, 68349, 91132, 113915, 136698, 159481, 227830, 273396, 318962, 341745, 455660, 478443, 637924, 683490, 797405, 956886, 1116367, 1366980, 1594810, 1913772, 2232734, 2392215, 3189620, 3349101, 4465468, 4784430, 5581835, 6698202, 9568860, 11163670, 13396404, 16745505, 22327340, 33491010, 66982020]

約数ペア:

[(1, 66982020), (2, 33491010), (3, 22327340), (4, 16745505), (5, 13396404), (6, 11163670), (7, 9568860), (10, 6698202), (12, 5581835), (14, 4784430), (15, 4465468), (20, 3349101), (21, 3189620), (28, 2392215), (30, 2232734), (35, 1913772), (42, 1594810), (49, 1366980), (60, 1116367), (70, 956886), (84, 797405), (98, 683490), (105, 637924), (140, 478443), (147, 455660), (196, 341745), (210, 318962), (245, 273396), (294, 227830), (420, 159481), (490, 136698), (588, 113915), (735, 91132), (980, 68349), (1470, 45566), (2940, 22783)]