7988120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:672

約数の個数: 64

約数和(自身を含む): 21012480

約数和(自身を除く): 13024360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 56, 70, 94, 140, 188, 235, 280, 329, 376, 470, 607, 658, 940, 1214, 1316, 1645, 1880, 2428, 2632, 3035, 3290, 4249, 4856, 6070, 6580, 8498, 12140, 13160, 16996, 21245, 24280, 28529, 33992, 42490, 57058, 84980, 114116, 142645, 169960, 199703, 228232, 285290, 399406, 570580, 798812, 998515, 1141160, 1597624, 1997030, 3994060, 7988120]

約数ペア:

[(1, 7988120), (2, 3994060), (4, 1997030), (5, 1597624), (7, 1141160), (8, 998515), (10, 798812), (14, 570580), (20, 399406), (28, 285290), (35, 228232), (40, 199703), (47, 169960), (56, 142645), (70, 114116), (94, 84980), (140, 57058), (188, 42490), (235, 33992), (280, 28529), (329, 24280), (376, 21245), (470, 16996), (607, 13160), (658, 12140), (940, 8498), (1214, 6580), (1316, 6070), (1645, 4856), (1880, 4249), (2428, 3290), (2632, 3035)]