79640340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{102103}}^1$

素因数の和:102128

約数の個数: 48

約数和(自身を含む): 240148608

約数和(自身を除く): 160508268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 102103, 204206, 306309, 408412, 510515, 612618, 1021030, 1225236, 1327339, 1531545, 2042060, 2654678, 3063090, 3982017, 5309356, 6126180, 6636695, 7964034, 13273390, 15928068, 19910085, 26546780, 39820170, 79640340]

約数ペア:

[(1, 79640340), (2, 39820170), (3, 26546780), (4, 19910085), (5, 15928068), (6, 13273390), (10, 7964034), (12, 6636695), (13, 6126180), (15, 5309356), (20, 3982017), (26, 3063090), (30, 2654678), (39, 2042060), (52, 1531545), (60, 1327339), (65, 1225236), (78, 1021030), (130, 612618), (156, 510515), (195, 408412), (260, 306309), (390, 204206), (780, 102103)]