66687940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1621}}^1$

素因数の和:1669

約数の個数: 72

約数和(自身を含む): 163088856

約数和(自身を除く): 96400916

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 748, 935, 1210, 1621, 1870, 2057, 2420, 3242, 3740, 4114, 6484, 8105, 8228, 10285, 16210, 17831, 20570, 27557, 32420, 35662, 41140, 55114, 71324, 89155, 110228, 137785, 178310, 196141, 275570, 303127, 356620, 392282, 551140, 606254, 784564, 980705, 1212508, 1515635, 1961410, 3031270, 3334397, 3922820, 6062540, 6668794, 13337588, 16671985, 33343970, 66687940]

約数ペア:

[(1, 66687940), (2, 33343970), (4, 16671985), (5, 13337588), (10, 6668794), (11, 6062540), (17, 3922820), (20, 3334397), (22, 3031270), (34, 1961410), (44, 1515635), (55, 1212508), (68, 980705), (85, 784564), (110, 606254), (121, 551140), (170, 392282), (187, 356620), (220, 303127), (242, 275570), (340, 196141), (374, 178310), (484, 137785), (605, 110228), (748, 89155), (935, 71324), (1210, 55114), (1621, 41140), (1870, 35662), (2057, 32420), (2420, 27557), (3242, 20570), (3740, 17831), (4114, 16210), (6484, 10285), (8105, 8228)]