71958180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171329}}^1$

素因数の和:171348

約数の個数: 48

約数和(自身を含む): 230267520

約数和(自身を除く): 158309340

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, 171329, 342658, 513987, 685316, 856645, 1027974, 1199303, 1713290, 2055948, 2398606, 2569935, 3426580, 3597909, 4797212, 5139870, 5996515, 7195818, 10279740, 11993030, 14391636, 17989545, 23986060, 35979090, 71958180]

約数ペア:

[(1, 71958180), (2, 35979090), (3, 23986060), (4, 17989545), (5, 14391636), (6, 11993030), (7, 10279740), (10, 7195818), (12, 5996515), (14, 5139870), (15, 4797212), (20, 3597909), (21, 3426580), (28, 2569935), (30, 2398606), (35, 2055948), (42, 1713290), (60, 1199303), (70, 1027974), (84, 856645), (105, 685316), (140, 513987), (210, 342658), (420, 171329)]