2838680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 7076160

約数和(自身を除く): 4237480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 103, 104, 106, 130, 206, 212, 260, 265, 412, 424, 515, 520, 530, 689, 824, 1030, 1060, 1339, 1378, 2060, 2120, 2678, 2756, 3445, 4120, 5356, 5459, 5512, 6695, 6890, 10712, 10918, 13390, 13780, 21836, 26780, 27295, 27560, 43672, 53560, 54590, 70967, 109180, 141934, 218360, 283868, 354835, 567736, 709670, 1419340, 2838680]

約数ペア:

[(1, 2838680), (2, 1419340), (4, 709670), (5, 567736), (8, 354835), (10, 283868), (13, 218360), (20, 141934), (26, 109180), (40, 70967), (52, 54590), (53, 53560), (65, 43672), (103, 27560), (104, 27295), (106, 26780), (130, 21836), (206, 13780), (212, 13390), (260, 10918), (265, 10712), (412, 6890), (424, 6695), (515, 5512), (520, 5459), (530, 5356), (689, 4120), (824, 3445), (1030, 2756), (1060, 2678), (1339, 2120), (1378, 2060)]