64378020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153281}}^1$

素因数の和:153300

約数の個数: 48

約数和(自身を含む): 206011008

約数和(自身を除く): 141632988

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, 153281, 306562, 459843, 613124, 766405, 919686, 1072967, 1532810, 1839372, 2145934, 2299215, 3065620, 3218901, 4291868, 4598430, 5364835, 6437802, 9196860, 10729670, 12875604, 16094505, 21459340, 32189010, 64378020]

約数ペア:

[(1, 64378020), (2, 32189010), (3, 21459340), (4, 16094505), (5, 12875604), (6, 10729670), (7, 9196860), (10, 6437802), (12, 5364835), (14, 4598430), (15, 4291868), (20, 3218901), (21, 3065620), (28, 2299215), (30, 2145934), (35, 1839372), (42, 1532810), (60, 1072967), (70, 919686), (84, 766405), (105, 613124), (140, 459843), (210, 306562), (420, 153281)]