81008940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4079}}^1$

素因数の和:4422

約数の個数: 48

約数和(自身を含む): 227566080

約数和(自身を除く): 146557140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 993, 1324, 1655, 1986, 3310, 3972, 4079, 4965, 6620, 8158, 9930, 12237, 16316, 19860, 20395, 24474, 40790, 48948, 61185, 81580, 122370, 244740, 1350149, 2700298, 4050447, 5400596, 6750745, 8100894, 13501490, 16201788, 20252235, 27002980, 40504470, 81008940]

約数ペア:

[(1, 81008940), (2, 40504470), (3, 27002980), (4, 20252235), (5, 16201788), (6, 13501490), (10, 8100894), (12, 6750745), (15, 5400596), (20, 4050447), (30, 2700298), (60, 1350149), (331, 244740), (662, 122370), (993, 81580), (1324, 61185), (1655, 48948), (1986, 40790), (3310, 24474), (3972, 20395), (4079, 19860), (4965, 16316), (6620, 12237), (8158, 9930)]