72955360

素因数分解:

$2^5\times 5^1\times {\mathrm{211}}^1\times {\mathrm{2161}}^1$

素因数の和:2387

約数の個数: 48

約数和(自身を含む): 173254032

約数和(自身を除く): 100298672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 211, 422, 844, 1055, 1688, 2110, 2161, 3376, 4220, 4322, 6752, 8440, 8644, 10805, 16880, 17288, 21610, 33760, 34576, 43220, 69152, 86440, 172880, 345760, 455971, 911942, 1823884, 2279855, 3647768, 4559710, 7295536, 9119420, 14591072, 18238840, 36477680, 72955360]

約数ペア:

[(1, 72955360), (2, 36477680), (4, 18238840), (5, 14591072), (8, 9119420), (10, 7295536), (16, 4559710), (20, 3647768), (32, 2279855), (40, 1823884), (80, 911942), (160, 455971), (211, 345760), (422, 172880), (844, 86440), (1055, 69152), (1688, 43220), (2110, 34576), (2161, 33760), (3376, 21610), (4220, 17288), (4322, 16880), (6752, 10805), (8440, 8644)]