7890930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2039}}^1$

素因数の和:2095

約数の個数: 48

約数和(自身を含む): 21003840

約数和(自身を除く): 13112910

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 2039, 3870, 4078, 6117, 10195, 12234, 18351, 20390, 30585, 36702, 61170, 87677, 91755, 175354, 183510, 263031, 438385, 526062, 789093, 876770, 1315155, 1578186, 2630310, 3945465, 7890930]

約数ペア:

[(1, 7890930), (2, 3945465), (3, 2630310), (5, 1578186), (6, 1315155), (9, 876770), (10, 789093), (15, 526062), (18, 438385), (30, 263031), (43, 183510), (45, 175354), (86, 91755), (90, 87677), (129, 61170), (215, 36702), (258, 30585), (387, 20390), (430, 18351), (645, 12234), (774, 10195), (1290, 6117), (1935, 4078), (2039, 3870)]