166285520

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 397474560

約数和(自身を除く): 231189040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 83, 158, 166, 316, 317, 332, 395, 415, 632, 634, 664, 790, 830, 1264, 1268, 1328, 1580, 1585, 1660, 2536, 3160, 3170, 3320, 5072, 6320, 6340, 6557, 6640, 12680, 13114, 25043, 25360, 26228, 26311, 32785, 50086, 52456, 52622, 65570, 100172, 104912, 105244, 125215, 131140, 131555, 200344, 210488, 250430, 262280, 263110, 400688, 420976, 500860, 524560, 526220, 1001720, 1052440, 2003440, 2078569, 2104880, 4157138, 8314276, 10392845, 16628552, 20785690, 33257104, 41571380, 83142760, 166285520]

約数ペア:

[(1, 166285520), (2, 83142760), (4, 41571380), (5, 33257104), (8, 20785690), (10, 16628552), (16, 10392845), (20, 8314276), (40, 4157138), (79, 2104880), (80, 2078569), (83, 2003440), (158, 1052440), (166, 1001720), (316, 526220), (317, 524560), (332, 500860), (395, 420976), (415, 400688), (632, 263110), (634, 262280), (664, 250430), (790, 210488), (830, 200344), (1264, 131555), (1268, 131140), (1328, 125215), (1580, 105244), (1585, 104912), (1660, 100172), (2536, 65570), (3160, 52622), (3170, 52456), (3320, 50086), (5072, 32785), (6320, 26311), (6340, 26228), (6557, 25360), (6640, 25043), (12680, 13114)]