2550330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 48

約数和(自身を含む): 6795360

約数和(自身を除く): 4245030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 659, 774, 1290, 1318, 1935, 1977, 3295, 3870, 3954, 5931, 6590, 9885, 11862, 19770, 28337, 29655, 56674, 59310, 85011, 141685, 170022, 255033, 283370, 425055, 510066, 850110, 1275165, 2550330]

約数ペア:

[(1, 2550330), (2, 1275165), (3, 850110), (5, 510066), (6, 425055), (9, 283370), (10, 255033), (15, 170022), (18, 141685), (30, 85011), (43, 59310), (45, 56674), (86, 29655), (90, 28337), (129, 19770), (215, 11862), (258, 9885), (387, 6590), (430, 5931), (645, 3954), (659, 3870), (774, 3295), (1290, 1977), (1318, 1935)]