8780520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{10453}}^1$

素因数の和:10474

約数の個数: 64

約数和(自身を含む): 30107520

約数和(自身を除く): 21327000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 10453, 20906, 31359, 41812, 52265, 62718, 73171, 83624, 104530, 125436, 146342, 156795, 209060, 219513, 250872, 292684, 313590, 365855, 418120, 439026, 585368, 627180, 731710, 878052, 1097565, 1254360, 1463420, 1756104, 2195130, 2926840, 4390260, 8780520]

約数ペア:

[(1, 8780520), (2, 4390260), (3, 2926840), (4, 2195130), (5, 1756104), (6, 1463420), (7, 1254360), (8, 1097565), (10, 878052), (12, 731710), (14, 627180), (15, 585368), (20, 439026), (21, 418120), (24, 365855), (28, 313590), (30, 292684), (35, 250872), (40, 219513), (42, 209060), (56, 156795), (60, 146342), (70, 125436), (84, 104530), (105, 83624), (120, 73171), (140, 62718), (168, 52265), (210, 41812), (280, 31359), (420, 20906), (840, 10453)]