128215860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{1999}}^1$

素因数の和:3080

約数の個数: 48

約数和(自身を含む): 359520000

約数和(自身を除く): 231304140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 1069, 1999, 2138, 3207, 3998, 4276, 5345, 5997, 6414, 7996, 9995, 10690, 11994, 12828, 16035, 19990, 21380, 23988, 29985, 32070, 39980, 59970, 64140, 119940, 2136931, 4273862, 6410793, 8547724, 10684655, 12821586, 21369310, 25643172, 32053965, 42738620, 64107930, 128215860]

約数ペア:

[(1, 128215860), (2, 64107930), (3, 42738620), (4, 32053965), (5, 25643172), (6, 21369310), (10, 12821586), (12, 10684655), (15, 8547724), (20, 6410793), (30, 4273862), (60, 2136931), (1069, 119940), (1999, 64140), (2138, 59970), (3207, 39980), (3998, 32070), (4276, 29985), (5345, 23988), (5997, 21380), (6414, 19990), (7996, 16035), (9995, 12828), (10690, 11994)]