256261920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{533879}}^1$

素因数の和:533897

約数の個数: 48

約数和(自身を含む): 807226560

約数和(自身を除く): 550964640

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, 533879, 1067758, 1601637, 2135516, 2669395, 3203274, 4271032, 5338790, 6406548, 8008185, 8542064, 10677580, 12813096, 16016370, 17084128, 21355160, 25626192, 32032740, 42710320, 51252384, 64065480, 85420640, 128130960, 256261920]

約数ペア:

[(1, 256261920), (2, 128130960), (3, 85420640), (4, 64065480), (5, 51252384), (6, 42710320), (8, 32032740), (10, 25626192), (12, 21355160), (15, 17084128), (16, 16016370), (20, 12813096), (24, 10677580), (30, 8542064), (32, 8008185), (40, 6406548), (48, 5338790), (60, 4271032), (80, 3203274), (96, 2669395), (120, 2135516), (160, 1601637), (240, 1067758), (480, 533879)]