80810940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{192407}}^1$

素因数の和:192426

約数の個数: 48

約数和(自身を含む): 258596352

約数和(自身を除く): 177785412

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, 192407, 384814, 577221, 769628, 962035, 1154442, 1346849, 1924070, 2308884, 2693698, 2886105, 3848140, 4040547, 5387396, 5772210, 6734245, 8081094, 11544420, 13468490, 16162188, 20202735, 26936980, 40405470, 80810940]

約数ペア:

[(1, 80810940), (2, 40405470), (3, 26936980), (4, 20202735), (5, 16162188), (6, 13468490), (7, 11544420), (10, 8081094), (12, 6734245), (14, 5772210), (15, 5387396), (20, 4040547), (21, 3848140), (28, 2886105), (30, 2693698), (35, 2308884), (42, 1924070), (60, 1346849), (70, 1154442), (84, 962035), (105, 769628), (140, 577221), (210, 384814), (420, 192407)]