77986020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{185681}}^1$

素因数の和:185700

約数の個数: 48

約数和(自身を含む): 249556608

約数和(自身を除く): 171570588

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, 185681, 371362, 557043, 742724, 928405, 1114086, 1299767, 1856810, 2228172, 2599534, 2785215, 3713620, 3899301, 5199068, 5570430, 6498835, 7798602, 11140860, 12997670, 15597204, 19496505, 25995340, 38993010, 77986020]

約数ペア:

[(1, 77986020), (2, 38993010), (3, 25995340), (4, 19496505), (5, 15597204), (6, 12997670), (7, 11140860), (10, 7798602), (12, 6498835), (14, 5570430), (15, 5199068), (20, 3899301), (21, 3713620), (28, 2785215), (30, 2599534), (35, 2228172), (42, 1856810), (60, 1299767), (70, 1114086), (84, 928405), (105, 742724), (140, 557043), (210, 371362), (420, 185681)]