31375728

素因数分解:

$2^4\times 3^3\times {\mathrm{59}}^1\times {\mathrm{1231}}^1$

素因数の和:1307

約数の個数: 80

約数和(自身を含む): 91660800

約数和(自身を除く): 60285072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 59, 72, 108, 118, 144, 177, 216, 236, 354, 432, 472, 531, 708, 944, 1062, 1231, 1416, 1593, 2124, 2462, 2832, 3186, 3693, 4248, 4924, 6372, 7386, 8496, 9848, 11079, 12744, 14772, 19696, 22158, 25488, 29544, 33237, 44316, 59088, 66474, 72629, 88632, 132948, 145258, 177264, 217887, 265896, 290516, 435774, 531792, 581032, 653661, 871548, 1162064, 1307322, 1743096, 1960983, 2614644, 3486192, 3921966, 5229288, 7843932, 10458576, 15687864, 31375728]

約数ペア:

[(1, 31375728), (2, 15687864), (3, 10458576), (4, 7843932), (6, 5229288), (8, 3921966), (9, 3486192), (12, 2614644), (16, 1960983), (18, 1743096), (24, 1307322), (27, 1162064), (36, 871548), (48, 653661), (54, 581032), (59, 531792), (72, 435774), (108, 290516), (118, 265896), (144, 217887), (177, 177264), (216, 145258), (236, 132948), (354, 88632), (432, 72629), (472, 66474), (531, 59088), (708, 44316), (944, 33237), (1062, 29544), (1231, 25488), (1416, 22158), (1593, 19696), (2124, 14772), (2462, 12744), (2832, 11079), (3186, 9848), (3693, 8496), (4248, 7386), (4924, 6372)]