278049840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1158541}}^1$

素因数の和:1158557

約数の個数: 40

約数和(自身を含む): 861955248

約数和(自身を除く): 583905408

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1158541, 2317082, 3475623, 4634164, 5792705, 6951246, 9268328, 11585410, 13902492, 17378115, 18536656, 23170820, 27804984, 34756230, 46341640, 55609968, 69512460, 92683280, 139024920, 278049840]

約数ペア:

[(1, 278049840), (2, 139024920), (3, 92683280), (4, 69512460), (5, 55609968), (6, 46341640), (8, 34756230), (10, 27804984), (12, 23170820), (15, 18536656), (16, 17378115), (20, 13902492), (24, 11585410), (30, 9268328), (40, 6951246), (48, 5792705), (60, 4634164), (80, 3475623), (120, 2317082), (240, 1158541)]