68191980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{26431}}^1$

素因数の和:26486

約数の個数: 48

約数和(自身を含む): 195385344

約数和(自身を除く): 127193364

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, 26431, 52862, 79293, 105724, 132155, 158586, 264310, 317172, 396465, 528620, 792930, 1136533, 1585860, 2273066, 3409599, 4546132, 5682665, 6819198, 11365330, 13638396, 17047995, 22730660, 34095990, 68191980]

約数ペア:

[(1, 68191980), (2, 34095990), (3, 22730660), (4, 17047995), (5, 13638396), (6, 11365330), (10, 6819198), (12, 5682665), (15, 4546132), (20, 3409599), (30, 2273066), (43, 1585860), (60, 1136533), (86, 792930), (129, 528620), (172, 396465), (215, 317172), (258, 264310), (430, 158586), (516, 132155), (645, 105724), (860, 79293), (1290, 52862), (2580, 26431)]