1518441620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{50581}}^1$

素因数の和:50688

約数の個数: 48

約数和(自身を含む): 3399110400

約数和(自身を除く): 1880668780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 790, 1501, 1580, 3002, 6004, 7505, 15010, 30020, 50581, 101162, 202324, 252905, 505810, 961039, 1011620, 1922078, 3844156, 3995899, 4805195, 7991798, 9610390, 15983596, 19220780, 19979495, 39958990, 75922081, 79917980, 151844162, 303688324, 379610405, 759220810, 1518441620]

約数ペア:

[(1, 1518441620), (2, 759220810), (4, 379610405), (5, 303688324), (10, 151844162), (19, 79917980), (20, 75922081), (38, 39958990), (76, 19979495), (79, 19220780), (95, 15983596), (158, 9610390), (190, 7991798), (316, 4805195), (380, 3995899), (395, 3844156), (790, 1922078), (1501, 1011620), (1580, 961039), (3002, 505810), (6004, 252905), (7505, 202324), (15010, 101162), (30020, 50581)]