138987960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{673}}^1\times {\mathrm{1721}}^1$

素因数の和:2408

約数の個数: 64

約数和(自身を含む): 417826080

約数和(自身を除く): 278838120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 673, 1346, 1721, 2019, 2692, 3365, 3442, 4038, 5163, 5384, 6730, 6884, 8076, 8605, 10095, 10326, 13460, 13768, 16152, 17210, 20190, 20652, 25815, 26920, 34420, 40380, 41304, 51630, 68840, 80760, 103260, 206520, 1158233, 2316466, 3474699, 4632932, 5791165, 6949398, 9265864, 11582330, 13898796, 17373495, 23164660, 27797592, 34746990, 46329320, 69493980, 138987960]

約数ペア:

[(1, 138987960), (2, 69493980), (3, 46329320), (4, 34746990), (5, 27797592), (6, 23164660), (8, 17373495), (10, 13898796), (12, 11582330), (15, 9265864), (20, 6949398), (24, 5791165), (30, 4632932), (40, 3474699), (60, 2316466), (120, 1158233), (673, 206520), (1346, 103260), (1721, 80760), (2019, 68840), (2692, 51630), (3365, 41304), (3442, 40380), (4038, 34420), (5163, 26920), (5384, 25815), (6730, 20652), (6884, 20190), (8076, 17210), (8605, 16152), (10095, 13768), (10326, 13460)]