1278440880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{5326837}}^1$

素因数の和:5326853

約数の個数: 40

約数和(自身を含む): 3963167472

約数和(自身を除く): 2684726592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 5326837, 10653674, 15980511, 21307348, 26634185, 31961022, 42614696, 53268370, 63922044, 79902555, 85229392, 106536740, 127844088, 159805110, 213073480, 255688176, 319610220, 426146960, 639220440, 1278440880]

約数ペア:

[(1, 1278440880), (2, 639220440), (3, 426146960), (4, 319610220), (5, 255688176), (6, 213073480), (8, 159805110), (10, 127844088), (12, 106536740), (15, 85229392), (16, 79902555), (20, 63922044), (24, 53268370), (30, 42614696), (40, 31961022), (48, 26634185), (60, 21307348), (80, 15980511), (120, 10653674), (240, 5326837)]