12890970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3331}}^1$

素因数の和:3387

約数の個数: 48

約数和(自身を含む): 34306272

約数和(自身を除く): 21415302

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, 3331, 3870, 6662, 9993, 16655, 19986, 29979, 33310, 49965, 59958, 99930, 143233, 149895, 286466, 299790, 429699, 716165, 859398, 1289097, 1432330, 2148495, 2578194, 4296990, 6445485, 12890970]

約数ペア:

[(1, 12890970), (2, 6445485), (3, 4296990), (5, 2578194), (6, 2148495), (9, 1432330), (10, 1289097), (15, 859398), (18, 716165), (30, 429699), (43, 299790), (45, 286466), (86, 149895), (90, 143233), (129, 99930), (215, 59958), (258, 49965), (387, 33310), (430, 29979), (645, 19986), (774, 16655), (1290, 9993), (1935, 6662), (3331, 3870)]