1515698920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{761}}^1$

素因数の和:919

約数の個数: 128

約数和(自身を含む): 3777386400

約数和(自身を除く): 2261687480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 34, 40, 58, 68, 85, 101, 116, 136, 145, 170, 202, 232, 290, 340, 404, 493, 505, 580, 680, 761, 808, 986, 1010, 1160, 1522, 1717, 1972, 2020, 2465, 2929, 3044, 3434, 3805, 3944, 4040, 4930, 5858, 6088, 6868, 7610, 8585, 9860, 11716, 12937, 13736, 14645, 15220, 17170, 19720, 22069, 23432, 25874, 29290, 30440, 34340, 44138, 49793, 51748, 58580, 64685, 68680, 76861, 88276, 99586, 103496, 110345, 117160, 129370, 153722, 176552, 199172, 220690, 248965, 258740, 307444, 375173, 384305, 398344, 441380, 497930, 517480, 614888, 750346, 768610, 882760, 995860, 1306637, 1500692, 1537220, 1875865, 1991720, 2228969, 2613274, 3001384, 3074440, 3751730, 4457938, 5226548, 6533185, 7503460, 8915876, 10453096, 11144845, 13066370, 15006920, 17831752, 22289690, 26132740, 37892473, 44579380, 52265480, 75784946, 89158760, 151569892, 189462365, 303139784, 378924730, 757849460, 1515698920]

約数ペア:

[(1, 1515698920), (2, 757849460), (4, 378924730), (5, 303139784), (8, 189462365), (10, 151569892), (17, 89158760), (20, 75784946), (29, 52265480), (34, 44579380), (40, 37892473), (58, 26132740), (68, 22289690), (85, 17831752), (101, 15006920), (116, 13066370), (136, 11144845), (145, 10453096), (170, 8915876), (202, 7503460), (232, 6533185), (290, 5226548), (340, 4457938), (404, 3751730), (493, 3074440), (505, 3001384), (580, 2613274), (680, 2228969), (761, 1991720), (808, 1875865), (986, 1537220), (1010, 1500692), (1160, 1306637), (1522, 995860), (1717, 882760), (1972, 768610), (2020, 750346), (2465, 614888), (2929, 517480), (3044, 497930), (3434, 441380), (3805, 398344), (3944, 384305), (4040, 375173), (4930, 307444), (5858, 258740), (6088, 248965), (6868, 220690), (7610, 199172), (8585, 176552), (9860, 153722), (11716, 129370), (12937, 117160), (13736, 110345), (14645, 103496), (15220, 99586), (17170, 88276), (19720, 76861), (22069, 68680), (23432, 64685), (25874, 58580), (29290, 51748), (30440, 49793), (34340, 44138)]