72484440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86291}}^1$

素因数の和:86312

約数の個数: 64

約数和(自身を含む): 248520960

約数和(自身を除く): 176036520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 86291, 172582, 258873, 345164, 431455, 517746, 604037, 690328, 862910, 1035492, 1208074, 1294365, 1725820, 1812111, 2070984, 2416148, 2588730, 3020185, 3451640, 3624222, 4832296, 5177460, 6040370, 7248444, 9060555, 10354920, 12080740, 14496888, 18121110, 24161480, 36242220, 72484440]

約数ペア:

[(1, 72484440), (2, 36242220), (3, 24161480), (4, 18121110), (5, 14496888), (6, 12080740), (7, 10354920), (8, 9060555), (10, 7248444), (12, 6040370), (14, 5177460), (15, 4832296), (20, 3624222), (21, 3451640), (24, 3020185), (28, 2588730), (30, 2416148), (35, 2070984), (40, 1812111), (42, 1725820), (56, 1294365), (60, 1208074), (70, 1035492), (84, 862910), (105, 690328), (120, 604037), (140, 517746), (168, 431455), (210, 345164), (280, 258873), (420, 172582), (840, 86291)]