28513320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21601}}^1$

素因数の和:21626

約数の個数: 64

約数和(自身を含む): 93320640

約数和(自身を除く): 64807320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21601, 43202, 64803, 86404, 108005, 129606, 172808, 216010, 237611, 259212, 324015, 432020, 475222, 518424, 648030, 712833, 864040, 950444, 1188055, 1296060, 1425666, 1900888, 2376110, 2592120, 2851332, 3564165, 4752220, 5702664, 7128330, 9504440, 14256660, 28513320]

約数ペア:

[(1, 28513320), (2, 14256660), (3, 9504440), (4, 7128330), (5, 5702664), (6, 4752220), (8, 3564165), (10, 2851332), (11, 2592120), (12, 2376110), (15, 1900888), (20, 1425666), (22, 1296060), (24, 1188055), (30, 950444), (33, 864040), (40, 712833), (44, 648030), (55, 518424), (60, 475222), (66, 432020), (88, 324015), (110, 259212), (120, 237611), (132, 216010), (165, 172808), (220, 129606), (264, 108005), (330, 86404), (440, 64803), (660, 43202), (1320, 21601)]