12418980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{29569}}^1$

素因数の和:29588

約数の個数: 48

約数和(自身を含む): 39742080

約数和(自身を除く): 27323100

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, 29569, 59138, 88707, 118276, 147845, 177414, 206983, 295690, 354828, 413966, 443535, 591380, 620949, 827932, 887070, 1034915, 1241898, 1774140, 2069830, 2483796, 3104745, 4139660, 6209490, 12418980]

約数ペア:

[(1, 12418980), (2, 6209490), (3, 4139660), (4, 3104745), (5, 2483796), (6, 2069830), (7, 1774140), (10, 1241898), (12, 1034915), (14, 887070), (15, 827932), (20, 620949), (21, 591380), (28, 443535), (30, 413966), (35, 354828), (42, 295690), (60, 206983), (70, 177414), (84, 147845), (105, 118276), (140, 88707), (210, 59138), (420, 29569)]