8663340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20627}}^1$

素因数の和:20646

約数の個数: 48

約数和(自身を含む): 27724032

約数和(自身を除く): 19060692

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, 20627, 41254, 61881, 82508, 103135, 123762, 144389, 206270, 247524, 288778, 309405, 412540, 433167, 577556, 618810, 721945, 866334, 1237620, 1443890, 1732668, 2165835, 2887780, 4331670, 8663340]

約数ペア:

[(1, 8663340), (2, 4331670), (3, 2887780), (4, 2165835), (5, 1732668), (6, 1443890), (7, 1237620), (10, 866334), (12, 721945), (14, 618810), (15, 577556), (20, 433167), (21, 412540), (28, 309405), (30, 288778), (35, 247524), (42, 206270), (60, 144389), (70, 123762), (84, 103135), (105, 82508), (140, 61881), (210, 41254), (420, 20627)]