1375880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 3499200

約数和(自身を除く): 2123320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 53, 55, 59, 88, 106, 110, 118, 212, 220, 236, 265, 295, 424, 440, 472, 530, 583, 590, 649, 1060, 1166, 1180, 1298, 2120, 2332, 2360, 2596, 2915, 3127, 3245, 4664, 5192, 5830, 6254, 6490, 11660, 12508, 12980, 15635, 23320, 25016, 25960, 31270, 34397, 62540, 68794, 125080, 137588, 171985, 275176, 343970, 687940, 1375880]

約数ペア:

[(1, 1375880), (2, 687940), (4, 343970), (5, 275176), (8, 171985), (10, 137588), (11, 125080), (20, 68794), (22, 62540), (40, 34397), (44, 31270), (53, 25960), (55, 25016), (59, 23320), (88, 15635), (106, 12980), (110, 12508), (118, 11660), (212, 6490), (220, 6254), (236, 5830), (265, 5192), (295, 4664), (424, 3245), (440, 3127), (472, 2915), (530, 2596), (583, 2360), (590, 2332), (649, 2120), (1060, 1298), (1166, 1180)]