7647920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{1951}}^1$

素因数の和:1978

約数の個数: 60

約数和(自身を含む): 20695104

約数和(自身を除く): 13047184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1951, 1960, 3902, 3920, 7804, 9755, 13657, 15608, 19510, 27314, 31216, 39020, 54628, 68285, 78040, 95599, 109256, 136570, 156080, 191198, 218512, 273140, 382396, 477995, 546280, 764792, 955990, 1092560, 1529584, 1911980, 3823960, 7647920]

約数ペア:

[(1, 7647920), (2, 3823960), (4, 1911980), (5, 1529584), (7, 1092560), (8, 955990), (10, 764792), (14, 546280), (16, 477995), (20, 382396), (28, 273140), (35, 218512), (40, 191198), (49, 156080), (56, 136570), (70, 109256), (80, 95599), (98, 78040), (112, 68285), (140, 54628), (196, 39020), (245, 31216), (280, 27314), (392, 19510), (490, 15608), (560, 13657), (784, 9755), (980, 7804), (1951, 3920), (1960, 3902)]