12901920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{26879}}^1$

素因数の和:26897

約数の個数: 48

約数和(自身を含む): 40642560

約数和(自身を除く): 27740640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 26879, 53758, 80637, 107516, 134395, 161274, 215032, 268790, 322548, 403185, 430064, 537580, 645096, 806370, 860128, 1075160, 1290192, 1612740, 2150320, 2580384, 3225480, 4300640, 6450960, 12901920]

約数ペア:

[(1, 12901920), (2, 6450960), (3, 4300640), (4, 3225480), (5, 2580384), (6, 2150320), (8, 1612740), (10, 1290192), (12, 1075160), (15, 860128), (16, 806370), (20, 645096), (24, 537580), (30, 430064), (32, 403185), (40, 322548), (48, 268790), (60, 215032), (80, 161274), (96, 134395), (120, 107516), (160, 80637), (240, 53758), (480, 26879)]