639244920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5327041}}^1$

素因数の和:5327055

約数の個数: 32

約数和(自身を含む): 1917735120

約数和(自身を除く): 1278490200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5327041, 10654082, 15981123, 21308164, 26635205, 31962246, 42616328, 53270410, 63924492, 79905615, 106540820, 127848984, 159811230, 213081640, 319622460, 639244920]

約数ペア:

[(1, 639244920), (2, 319622460), (3, 213081640), (4, 159811230), (5, 127848984), (6, 106540820), (8, 79905615), (10, 63924492), (12, 53270410), (15, 42616328), (20, 31962246), (24, 26635205), (30, 21308164), (40, 15981123), (60, 10654082), (120, 5327041)]