15458780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2393}}^1$

素因数の和:2438

約数の個数: 48

約数和(自身を含む): 36197280

約数和(自身を除く): 20738500

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 2393, 3230, 4786, 6460, 9572, 11965, 23930, 40681, 45467, 47860, 81362, 90934, 162724, 181868, 203405, 227335, 406810, 454670, 772939, 813620, 909340, 1545878, 3091756, 3864695, 7729390, 15458780]

約数ペア:

[(1, 15458780), (2, 7729390), (4, 3864695), (5, 3091756), (10, 1545878), (17, 909340), (19, 813620), (20, 772939), (34, 454670), (38, 406810), (68, 227335), (76, 203405), (85, 181868), (95, 162724), (170, 90934), (190, 81362), (323, 47860), (340, 45467), (380, 40681), (646, 23930), (1292, 11965), (1615, 9572), (2393, 6460), (3230, 4786)]