81650940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3267

約数の個数: 96

約数和(自身を含む): 265649664

約数和(自身を除く): 183998724

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 61, 70, 84, 105, 122, 140, 183, 210, 244, 305, 366, 420, 427, 610, 732, 854, 915, 1220, 1281, 1708, 1830, 2135, 2562, 3187, 3660, 4270, 5124, 6374, 6405, 8540, 9561, 12748, 12810, 15935, 19122, 22309, 25620, 31870, 38244, 44618, 47805, 63740, 66927, 89236, 95610, 111545, 133854, 191220, 194407, 223090, 267708, 334635, 388814, 446180, 583221, 669270, 777628, 972035, 1166442, 1338540, 1360849, 1944070, 2332884, 2721698, 2916105, 3888140, 4082547, 5443396, 5832210, 6804245, 8165094, 11664420, 13608490, 16330188, 20412735, 27216980, 40825470, 81650940]

約数ペア:

[(1, 81650940), (2, 40825470), (3, 27216980), (4, 20412735), (5, 16330188), (6, 13608490), (7, 11664420), (10, 8165094), (12, 6804245), (14, 5832210), (15, 5443396), (20, 4082547), (21, 3888140), (28, 2916105), (30, 2721698), (35, 2332884), (42, 1944070), (60, 1360849), (61, 1338540), (70, 1166442), (84, 972035), (105, 777628), (122, 669270), (140, 583221), (183, 446180), (210, 388814), (244, 334635), (305, 267708), (366, 223090), (420, 194407), (427, 191220), (610, 133854), (732, 111545), (854, 95610), (915, 89236), (1220, 66927), (1281, 63740), (1708, 47805), (1830, 44618), (2135, 38244), (2562, 31870), (3187, 25620), (3660, 22309), (4270, 19122), (5124, 15935), (6374, 12810), (6405, 12748), (8540, 9561)]