720390852

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{7577}}^1$

素因数の和:7745

約数の個数: 72

約数和(自身を含む): 1930874400

約数和(自身を除く): 1210483548

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 139, 171, 228, 278, 342, 417, 556, 684, 834, 1251, 1668, 2502, 2641, 5004, 5282, 7577, 7923, 10564, 15154, 15846, 22731, 23769, 30308, 31692, 45462, 47538, 68193, 90924, 95076, 136386, 143963, 272772, 287926, 431889, 575852, 863778, 1053203, 1295667, 1727556, 2106406, 2591334, 3159609, 4212812, 5182668, 6319218, 9478827, 12638436, 18957654, 20010857, 37915308, 40021714, 60032571, 80043428, 120065142, 180097713, 240130284, 360195426, 720390852]

約数ペア:

[(1, 720390852), (2, 360195426), (3, 240130284), (4, 180097713), (6, 120065142), (9, 80043428), (12, 60032571), (18, 40021714), (19, 37915308), (36, 20010857), (38, 18957654), (57, 12638436), (76, 9478827), (114, 6319218), (139, 5182668), (171, 4212812), (228, 3159609), (278, 2591334), (342, 2106406), (417, 1727556), (556, 1295667), (684, 1053203), (834, 863778), (1251, 575852), (1668, 431889), (2502, 287926), (2641, 272772), (5004, 143963), (5282, 136386), (7577, 95076), (7923, 90924), (10564, 68193), (15154, 47538), (15846, 45462), (22731, 31692), (23769, 30308)]