68982680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2503}}^1$

素因数の和:2580

約数の個数: 64

約数和(自身を含む): 170372160

約数和(自身を除く): 101389480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2503, 2756, 3445, 5006, 5512, 6890, 10012, 12515, 13780, 20024, 25030, 27560, 32539, 50060, 65078, 100120, 130156, 132659, 162695, 260312, 265318, 325390, 530636, 650780, 663295, 1061272, 1301560, 1326590, 1724567, 2653180, 3449134, 5306360, 6898268, 8622835, 13796536, 17245670, 34491340, 68982680]

約数ペア:

[(1, 68982680), (2, 34491340), (4, 17245670), (5, 13796536), (8, 8622835), (10, 6898268), (13, 5306360), (20, 3449134), (26, 2653180), (40, 1724567), (52, 1326590), (53, 1301560), (65, 1061272), (104, 663295), (106, 650780), (130, 530636), (212, 325390), (260, 265318), (265, 260312), (424, 162695), (520, 132659), (530, 130156), (689, 100120), (1060, 65078), (1378, 50060), (2120, 32539), (2503, 27560), (2756, 25030), (3445, 20024), (5006, 13780), (5512, 12515), (6890, 10012)]