90749220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{20719}}^1$

素因数の和:20804

約数の個数: 48

約数和(自身を含む): 257591040

約数和(自身を除く): 166841820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 73, 146, 219, 292, 365, 438, 730, 876, 1095, 1460, 2190, 4380, 20719, 41438, 62157, 82876, 103595, 124314, 207190, 248628, 310785, 414380, 621570, 1243140, 1512487, 3024974, 4537461, 6049948, 7562435, 9074922, 15124870, 18149844, 22687305, 30249740, 45374610, 90749220]

約数ペア:

[(1, 90749220), (2, 45374610), (3, 30249740), (4, 22687305), (5, 18149844), (6, 15124870), (10, 9074922), (12, 7562435), (15, 6049948), (20, 4537461), (30, 3024974), (60, 1512487), (73, 1243140), (146, 621570), (219, 414380), (292, 310785), (365, 248628), (438, 207190), (730, 124314), (876, 103595), (1095, 82876), (1460, 62157), (2190, 41438), (4380, 20719)]