6541980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1019}}^1$

素因数の和:1138

約数の個数: 48

約数和(自身を含む): 18506880

約数和(自身を除く): 11964900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1019, 1070, 1284, 1605, 2038, 2140, 3057, 3210, 4076, 5095, 6114, 6420, 10190, 12228, 15285, 20380, 30570, 61140, 109033, 218066, 327099, 436132, 545165, 654198, 1090330, 1308396, 1635495, 2180660, 3270990, 6541980]

約数ペア:

[(1, 6541980), (2, 3270990), (3, 2180660), (4, 1635495), (5, 1308396), (6, 1090330), (10, 654198), (12, 545165), (15, 436132), (20, 327099), (30, 218066), (60, 109033), (107, 61140), (214, 30570), (321, 20380), (428, 15285), (535, 12228), (642, 10190), (1019, 6420), (1070, 6114), (1284, 5095), (1605, 4076), (2038, 3210), (2140, 3057)]