31261160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1151}}^1$

素因数の和:1266

約数の個数: 64

約数和(自身を含む): 81285120

約数和(自身を除く): 50023960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1151, 1358, 1940, 2302, 2716, 3395, 3880, 4604, 5432, 5755, 6790, 8057, 9208, 11510, 13580, 16114, 23020, 27160, 32228, 40285, 46040, 64456, 80570, 111647, 161140, 223294, 322280, 446588, 558235, 781529, 893176, 1116470, 1563058, 2232940, 3126116, 3907645, 4465880, 6252232, 7815290, 15630580, 31261160]

約数ペア:

[(1, 31261160), (2, 15630580), (4, 7815290), (5, 6252232), (7, 4465880), (8, 3907645), (10, 3126116), (14, 2232940), (20, 1563058), (28, 1116470), (35, 893176), (40, 781529), (56, 558235), (70, 446588), (97, 322280), (140, 223294), (194, 161140), (280, 111647), (388, 80570), (485, 64456), (679, 46040), (776, 40285), (970, 32228), (1151, 27160), (1358, 23020), (1940, 16114), (2302, 13580), (2716, 11510), (3395, 9208), (3880, 8057), (4604, 6790), (5432, 5755)]