31788840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2731}}^1$

素因数の和:2842

約数の個数: 64

約数和(自身を含む): 96384960

約数和(自身を除く): 64596120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 97, 120, 194, 291, 388, 485, 582, 776, 970, 1164, 1455, 1940, 2328, 2731, 2910, 3880, 5462, 5820, 8193, 10924, 11640, 13655, 16386, 21848, 27310, 32772, 40965, 54620, 65544, 81930, 109240, 163860, 264907, 327720, 529814, 794721, 1059628, 1324535, 1589442, 2119256, 2649070, 3178884, 3973605, 5298140, 6357768, 7947210, 10596280, 15894420, 31788840]

約数ペア:

[(1, 31788840), (2, 15894420), (3, 10596280), (4, 7947210), (5, 6357768), (6, 5298140), (8, 3973605), (10, 3178884), (12, 2649070), (15, 2119256), (20, 1589442), (24, 1324535), (30, 1059628), (40, 794721), (60, 529814), (97, 327720), (120, 264907), (194, 163860), (291, 109240), (388, 81930), (485, 65544), (582, 54620), (776, 40965), (970, 32772), (1164, 27310), (1455, 21848), (1940, 16386), (2328, 13655), (2731, 11640), (2910, 10924), (3880, 8193), (5462, 5820)]