8985720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{727}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 27256320

約数和(自身を除く): 18270600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 120, 206, 309, 412, 515, 618, 727, 824, 1030, 1236, 1454, 1545, 2060, 2181, 2472, 2908, 3090, 3635, 4120, 4362, 5816, 6180, 7270, 8724, 10905, 12360, 14540, 17448, 21810, 29080, 43620, 74881, 87240, 149762, 224643, 299524, 374405, 449286, 599048, 748810, 898572, 1123215, 1497620, 1797144, 2246430, 2995240, 4492860, 8985720]

約数ペア:

[(1, 8985720), (2, 4492860), (3, 2995240), (4, 2246430), (5, 1797144), (6, 1497620), (8, 1123215), (10, 898572), (12, 748810), (15, 599048), (20, 449286), (24, 374405), (30, 299524), (40, 224643), (60, 149762), (103, 87240), (120, 74881), (206, 43620), (309, 29080), (412, 21810), (515, 17448), (618, 14540), (727, 12360), (824, 10905), (1030, 8724), (1236, 7270), (1454, 6180), (1545, 5816), (2060, 4362), (2181, 4120), (2472, 3635), (2908, 3090)]