178004320

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:297

約数の個数: 144

約数和(自身を含む): 473150160

約数和(自身を除く): 295145840

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 65, 80, 104, 116, 130, 145, 160, 169, 208, 227, 232, 260, 290, 338, 377, 416, 454, 464, 520, 580, 676, 754, 845, 908, 928, 1040, 1135, 1160, 1352, 1508, 1690, 1816, 1885, 2080, 2270, 2320, 2704, 2951, 3016, 3380, 3632, 3770, 4540, 4640, 4901, 5408, 5902, 6032, 6583, 6760, 7264, 7540, 9080, 9802, 11804, 12064, 13166, 13520, 14755, 15080, 18160, 19604, 23608, 24505, 26332, 27040, 29510, 30160, 32915, 36320, 38363, 39208, 47216, 49010, 52664, 59020, 60320, 65830, 76726, 78416, 85579, 94432, 98020, 105328, 118040, 131660, 153452, 156832, 171158, 191815, 196040, 210656, 236080, 263320, 306904, 342316, 383630, 392080, 427895, 472160, 526640, 613808, 684632, 767260, 784160, 855790, 1053280, 1112527, 1227616, 1369264, 1534520, 1711580, 2225054, 2738528, 3069040, 3423160, 4450108, 5562635, 6138080, 6846320, 8900216, 11125270, 13692640, 17800432, 22250540, 35600864, 44501080, 89002160, 178004320]

約数ペア:

[(1, 178004320), (2, 89002160), (4, 44501080), (5, 35600864), (8, 22250540), (10, 17800432), (13, 13692640), (16, 11125270), (20, 8900216), (26, 6846320), (29, 6138080), (32, 5562635), (40, 4450108), (52, 3423160), (58, 3069040), (65, 2738528), (80, 2225054), (104, 1711580), (116, 1534520), (130, 1369264), (145, 1227616), (160, 1112527), (169, 1053280), (208, 855790), (227, 784160), (232, 767260), (260, 684632), (290, 613808), (338, 526640), (377, 472160), (416, 427895), (454, 392080), (464, 383630), (520, 342316), (580, 306904), (676, 263320), (754, 236080), (845, 210656), (908, 196040), (928, 191815), (1040, 171158), (1135, 156832), (1160, 153452), (1352, 131660), (1508, 118040), (1690, 105328), (1816, 98020), (1885, 94432), (2080, 85579), (2270, 78416), (2320, 76726), (2704, 65830), (2951, 60320), (3016, 59020), (3380, 52664), (3632, 49010), (3770, 47216), (4540, 39208), (4640, 38363), (4901, 36320), (5408, 32915), (5902, 30160), (6032, 29510), (6583, 27040), (6760, 26332), (7264, 24505), (7540, 23608), (9080, 19604), (9802, 18160), (11804, 15080), (12064, 14755), (13166, 13520)]