31611160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1$

素因数の和:293

約数の個数: 128

約数和(自身を含む): 89424000

約数和(自身を除く): 57812840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 29, 34, 35, 40, 56, 58, 68, 70, 85, 116, 119, 136, 140, 145, 170, 203, 229, 232, 238, 280, 290, 340, 406, 458, 476, 493, 580, 595, 680, 812, 916, 952, 986, 1015, 1145, 1160, 1190, 1603, 1624, 1832, 1972, 2030, 2290, 2380, 2465, 3206, 3451, 3893, 3944, 4060, 4580, 4760, 4930, 6412, 6641, 6902, 7786, 8015, 8120, 9160, 9860, 12824, 13282, 13804, 15572, 16030, 17255, 19465, 19720, 26564, 27251, 27608, 31144, 32060, 33205, 34510, 38930, 46487, 53128, 54502, 64120, 66410, 69020, 77860, 92974, 109004, 112897, 132820, 136255, 138040, 155720, 185948, 218008, 225794, 232435, 265640, 272510, 371896, 451588, 464870, 545020, 564485, 790279, 903176, 929740, 1090040, 1128970, 1580558, 1859480, 2257940, 3161116, 3951395, 4515880, 6322232, 7902790, 15805580, 31611160]

約数ペア:

[(1, 31611160), (2, 15805580), (4, 7902790), (5, 6322232), (7, 4515880), (8, 3951395), (10, 3161116), (14, 2257940), (17, 1859480), (20, 1580558), (28, 1128970), (29, 1090040), (34, 929740), (35, 903176), (40, 790279), (56, 564485), (58, 545020), (68, 464870), (70, 451588), (85, 371896), (116, 272510), (119, 265640), (136, 232435), (140, 225794), (145, 218008), (170, 185948), (203, 155720), (229, 138040), (232, 136255), (238, 132820), (280, 112897), (290, 109004), (340, 92974), (406, 77860), (458, 69020), (476, 66410), (493, 64120), (580, 54502), (595, 53128), (680, 46487), (812, 38930), (916, 34510), (952, 33205), (986, 32060), (1015, 31144), (1145, 27608), (1160, 27251), (1190, 26564), (1603, 19720), (1624, 19465), (1832, 17255), (1972, 16030), (2030, 15572), (2290, 13804), (2380, 13282), (2465, 12824), (3206, 9860), (3451, 9160), (3893, 8120), (3944, 8015), (4060, 7786), (4580, 6902), (4760, 6641), (4930, 6412)]