2011880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 5034960

約数和(自身を除く): 3023080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 73, 104, 106, 130, 146, 212, 260, 265, 292, 365, 424, 520, 530, 584, 689, 730, 949, 1060, 1378, 1460, 1898, 2120, 2756, 2920, 3445, 3796, 3869, 4745, 5512, 6890, 7592, 7738, 9490, 13780, 15476, 18980, 19345, 27560, 30952, 37960, 38690, 50297, 77380, 100594, 154760, 201188, 251485, 402376, 502970, 1005940, 2011880]

約数ペア:

[(1, 2011880), (2, 1005940), (4, 502970), (5, 402376), (8, 251485), (10, 201188), (13, 154760), (20, 100594), (26, 77380), (40, 50297), (52, 38690), (53, 37960), (65, 30952), (73, 27560), (104, 19345), (106, 18980), (130, 15476), (146, 13780), (212, 9490), (260, 7738), (265, 7592), (292, 6890), (365, 5512), (424, 4745), (520, 3869), (530, 3796), (584, 3445), (689, 2920), (730, 2756), (949, 2120), (1060, 1898), (1378, 1460)]