72207660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171923}}^1$

素因数の和:171942

約数の個数: 48

約数和(自身を含む): 231065856

約数和(自身を除く): 158858196

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, 171923, 343846, 515769, 687692, 859615, 1031538, 1203461, 1719230, 2063076, 2406922, 2578845, 3438460, 3610383, 4813844, 5157690, 6017305, 7220766, 10315380, 12034610, 14441532, 18051915, 24069220, 36103830, 72207660]

約数ペア:

[(1, 72207660), (2, 36103830), (3, 24069220), (4, 18051915), (5, 14441532), (6, 12034610), (7, 10315380), (10, 7220766), (12, 6017305), (14, 5157690), (15, 4813844), (20, 3610383), (21, 3438460), (28, 2578845), (30, 2406922), (35, 2063076), (42, 1719230), (60, 1203461), (70, 1031538), (84, 859615), (105, 687692), (140, 515769), (210, 343846), (420, 171923)]