7205080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 64

約数和(自身を含む): 17107200

約数和(自身を除く): 9902120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 71, 86, 118, 142, 172, 215, 236, 284, 295, 344, 355, 430, 472, 568, 590, 710, 860, 1180, 1420, 1720, 2360, 2537, 2840, 3053, 4189, 5074, 6106, 8378, 10148, 12212, 12685, 15265, 16756, 20296, 20945, 24424, 25370, 30530, 33512, 41890, 50740, 61060, 83780, 101480, 122120, 167560, 180127, 360254, 720508, 900635, 1441016, 1801270, 3602540, 7205080]

約数ペア:

[(1, 7205080), (2, 3602540), (4, 1801270), (5, 1441016), (8, 900635), (10, 720508), (20, 360254), (40, 180127), (43, 167560), (59, 122120), (71, 101480), (86, 83780), (118, 61060), (142, 50740), (172, 41890), (215, 33512), (236, 30530), (284, 25370), (295, 24424), (344, 20945), (355, 20296), (430, 16756), (472, 15265), (568, 12685), (590, 12212), (710, 10148), (860, 8378), (1180, 6106), (1420, 5074), (1720, 4189), (2360, 3053), (2537, 2840)]