67977960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{881}}^1$

素因数の和:1538

約数の個数: 64

約数和(自身を含む): 204482880

約数和(自身を除く): 136504920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 643, 881, 1286, 1762, 1929, 2572, 2643, 3215, 3524, 3858, 4405, 5144, 5286, 6430, 7048, 7716, 8810, 9645, 10572, 12860, 13215, 15432, 17620, 19290, 21144, 25720, 26430, 35240, 38580, 52860, 77160, 105720, 566483, 1132966, 1699449, 2265932, 2832415, 3398898, 4531864, 5664830, 6797796, 8497245, 11329660, 13595592, 16994490, 22659320, 33988980, 67977960]

約数ペア:

[(1, 67977960), (2, 33988980), (3, 22659320), (4, 16994490), (5, 13595592), (6, 11329660), (8, 8497245), (10, 6797796), (12, 5664830), (15, 4531864), (20, 3398898), (24, 2832415), (30, 2265932), (40, 1699449), (60, 1132966), (120, 566483), (643, 105720), (881, 77160), (1286, 52860), (1762, 38580), (1929, 35240), (2572, 26430), (2643, 25720), (3215, 21144), (3524, 19290), (3858, 17620), (4405, 15432), (5144, 13215), (5286, 12860), (6430, 10572), (7048, 9645), (7716, 8810)]