64579980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{25031}}^1$

素因数の和:25086

約数の個数: 48

約数和(自身を含む): 185036544

約数和(自身を除く): 120456564

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 25031, 50062, 75093, 100124, 125155, 150186, 250310, 300372, 375465, 500620, 750930, 1076333, 1501860, 2152666, 3228999, 4305332, 5381665, 6457998, 10763330, 12915996, 16144995, 21526660, 32289990, 64579980]

約数ペア:

[(1, 64579980), (2, 32289990), (3, 21526660), (4, 16144995), (5, 12915996), (6, 10763330), (10, 6457998), (12, 5381665), (15, 4305332), (20, 3228999), (30, 2152666), (43, 1501860), (60, 1076333), (86, 750930), (129, 500620), (172, 375465), (215, 300372), (258, 250310), (430, 150186), (516, 125155), (645, 100124), (860, 75093), (1290, 50062), (2580, 25031)]