76647760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{19553}}^1$

素因数の和:19580

約数の個数: 60

約数和(自身を含む): 207311508

約数和(自身を除く): 130663748

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, 1960, 3920, 19553, 39106, 78212, 97765, 136871, 156424, 195530, 273742, 312848, 391060, 547484, 684355, 782120, 958097, 1094968, 1368710, 1564240, 1916194, 2189936, 2737420, 3832388, 4790485, 5474840, 7664776, 9580970, 10949680, 15329552, 19161940, 38323880, 76647760]

約数ペア:

[(1, 76647760), (2, 38323880), (4, 19161940), (5, 15329552), (7, 10949680), (8, 9580970), (10, 7664776), (14, 5474840), (16, 4790485), (20, 3832388), (28, 2737420), (35, 2189936), (40, 1916194), (49, 1564240), (56, 1368710), (70, 1094968), (80, 958097), (98, 782120), (112, 684355), (140, 547484), (196, 391060), (245, 312848), (280, 273742), (392, 195530), (490, 156424), (560, 136871), (784, 97765), (980, 78212), (1960, 39106), (3920, 19553)]