897780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1151}}^1$

素因数の和:1176

約数の個数: 48

約数和(自身を含む): 2709504

約数和(自身を除く): 1811724

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, 1151, 2302, 3453, 4604, 5755, 6906, 11510, 13812, 14963, 17265, 23020, 29926, 34530, 44889, 59852, 69060, 74815, 89778, 149630, 179556, 224445, 299260, 448890, 897780]

約数ペア:

[(1, 897780), (2, 448890), (3, 299260), (4, 224445), (5, 179556), (6, 149630), (10, 89778), (12, 74815), (13, 69060), (15, 59852), (20, 44889), (26, 34530), (30, 29926), (39, 23020), (52, 17265), (60, 14963), (65, 13812), (78, 11510), (130, 6906), (156, 5755), (195, 4604), (260, 3453), (390, 2302), (780, 1151)]