638403960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5320033}}^1$

素因数の和:5320047

約数の個数: 32

約数和(自身を含む): 1915212240

約数和(自身を除く): 1276808280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5320033, 10640066, 15960099, 21280132, 26600165, 31920198, 42560264, 53200330, 63840396, 79800495, 106400660, 127680792, 159600990, 212801320, 319201980, 638403960]

約数ペア:

[(1, 638403960), (2, 319201980), (3, 212801320), (4, 159600990), (5, 127680792), (6, 106400660), (8, 79800495), (10, 63840396), (12, 53200330), (15, 42560264), (20, 31920198), (24, 26600165), (30, 21280132), (40, 15960099), (60, 10640066), (120, 5320033)]