12995220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{30941}}^1$

素因数の和:30960

約数の個数: 48

約数和(自身を含む): 41586048

約数和(自身を除く): 28590828

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, 30941, 61882, 92823, 123764, 154705, 185646, 216587, 309410, 371292, 433174, 464115, 618820, 649761, 866348, 928230, 1082935, 1299522, 1856460, 2165870, 2599044, 3248805, 4331740, 6497610, 12995220]

約数ペア:

[(1, 12995220), (2, 6497610), (3, 4331740), (4, 3248805), (5, 2599044), (6, 2165870), (7, 1856460), (10, 1299522), (12, 1082935), (14, 928230), (15, 866348), (20, 649761), (21, 618820), (28, 464115), (30, 433174), (35, 371292), (42, 309410), (60, 216587), (70, 185646), (84, 154705), (105, 123764), (140, 92823), (210, 61882), (420, 30941)]