72695120

素因数分解:

$2^4\times 5^1\times {\mathrm{743}}^1\times {\mathrm{1223}}^1$

素因数の和:1979

約数の個数: 40

約数和(自身を含む): 169382016

約数和(自身を除く): 96686896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 743, 1223, 1486, 2446, 2972, 3715, 4892, 5944, 6115, 7430, 9784, 11888, 12230, 14860, 19568, 24460, 29720, 48920, 59440, 97840, 908689, 1817378, 3634756, 4543445, 7269512, 9086890, 14539024, 18173780, 36347560, 72695120]

約数ペア:

[(1, 72695120), (2, 36347560), (4, 18173780), (5, 14539024), (8, 9086890), (10, 7269512), (16, 4543445), (20, 3634756), (40, 1817378), (80, 908689), (743, 97840), (1223, 59440), (1486, 48920), (2446, 29720), (2972, 24460), (3715, 19568), (4892, 14860), (5944, 12230), (6115, 11888), (7430, 9784)]