164975360

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11717}}^1$

素因数の和:11749

約数の個数: 72

約数和(自身を含む): 431128656

約数和(自身を除く): 266153296

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 11717, 14080, 23434, 46868, 58585, 93736, 117170, 128887, 187472, 234340, 257774, 374944, 468680, 515548, 644435, 749888, 937360, 1031096, 1288870, 1499776, 1874720, 2062192, 2577740, 2999552, 3749440, 4124384, 5155480, 7498880, 8248768, 10310960, 14997760, 16497536, 20621920, 32995072, 41243840, 82487680, 164975360]

約数ペア:

[(1, 164975360), (2, 82487680), (4, 41243840), (5, 32995072), (8, 20621920), (10, 16497536), (11, 14997760), (16, 10310960), (20, 8248768), (22, 7498880), (32, 5155480), (40, 4124384), (44, 3749440), (55, 2999552), (64, 2577740), (80, 2062192), (88, 1874720), (110, 1499776), (128, 1288870), (160, 1031096), (176, 937360), (220, 749888), (256, 644435), (320, 515548), (352, 468680), (440, 374944), (640, 257774), (704, 234340), (880, 187472), (1280, 128887), (1408, 117170), (1760, 93736), (2816, 58585), (3520, 46868), (7040, 23434), (11717, 14080)]