71072920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5501}}^1$

素因数の和:5548

約数の個数: 64

約数和(自身を含む): 178264800

約数和(自身を除く): 107191880

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 5501, 6460, 11002, 12920, 22004, 27505, 44008, 55010, 93517, 104519, 110020, 187034, 209038, 220040, 374068, 418076, 467585, 522595, 748136, 836152, 935170, 1045190, 1776823, 1870340, 2090380, 3553646, 3740680, 4180760, 7107292, 8884115, 14214584, 17768230, 35536460, 71072920]

約数ペア:

[(1, 71072920), (2, 35536460), (4, 17768230), (5, 14214584), (8, 8884115), (10, 7107292), (17, 4180760), (19, 3740680), (20, 3553646), (34, 2090380), (38, 1870340), (40, 1776823), (68, 1045190), (76, 935170), (85, 836152), (95, 748136), (136, 522595), (152, 467585), (170, 418076), (190, 374068), (323, 220040), (340, 209038), (380, 187034), (646, 110020), (680, 104519), (760, 93517), (1292, 55010), (1615, 44008), (2584, 27505), (3230, 22004), (5501, 12920), (6460, 11002)]