157068680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1830

約数の個数: 64

約数和(自身を含む): 368660160

約数和(自身を除く): 211591480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 53, 86, 106, 172, 212, 215, 265, 344, 424, 430, 530, 860, 1060, 1720, 1723, 2120, 2279, 3446, 4558, 6892, 8615, 9116, 11395, 13784, 17230, 18232, 22790, 34460, 45580, 68920, 74089, 91160, 91319, 148178, 182638, 296356, 365276, 370445, 456595, 592712, 730552, 740890, 913190, 1481780, 1826380, 2963560, 3652760, 3926717, 7853434, 15706868, 19633585, 31413736, 39267170, 78534340, 157068680]

約数ペア:

[(1, 157068680), (2, 78534340), (4, 39267170), (5, 31413736), (8, 19633585), (10, 15706868), (20, 7853434), (40, 3926717), (43, 3652760), (53, 2963560), (86, 1826380), (106, 1481780), (172, 913190), (212, 740890), (215, 730552), (265, 592712), (344, 456595), (424, 370445), (430, 365276), (530, 296356), (860, 182638), (1060, 148178), (1720, 91319), (1723, 91160), (2120, 74089), (2279, 68920), (3446, 45580), (4558, 34460), (6892, 22790), (8615, 18232), (9116, 17230), (11395, 13784)]