71365280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{63719}}^1$

素因数の和:63741

約数の個数: 48

約数和(自身を含む): 192689280

約数和(自身を除く): 121324000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 63719, 127438, 254876, 318595, 446033, 509752, 637190, 892066, 1019504, 1274380, 1784132, 2039008, 2230165, 2548760, 3568264, 4460330, 5097520, 7136528, 8920660, 10195040, 14273056, 17841320, 35682640, 71365280]

約数ペア:

[(1, 71365280), (2, 35682640), (4, 17841320), (5, 14273056), (7, 10195040), (8, 8920660), (10, 7136528), (14, 5097520), (16, 4460330), (20, 3568264), (28, 2548760), (32, 2230165), (35, 2039008), (40, 1784132), (56, 1274380), (70, 1019504), (80, 892066), (112, 637190), (140, 509752), (160, 446033), (224, 318595), (280, 254876), (560, 127438), (1120, 63719)]