81329520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1069}}^1$

素因数の和:1402

約数の個数: 80

約数和(自身を含む): 253153440

約数和(自身を除く): 171823920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 317, 634, 951, 1069, 1268, 1585, 1902, 2138, 2536, 3170, 3207, 3804, 4276, 4755, 5072, 5345, 6340, 6414, 7608, 8552, 9510, 10690, 12680, 12828, 15216, 16035, 17104, 19020, 21380, 25360, 25656, 32070, 38040, 42760, 51312, 64140, 76080, 85520, 128280, 256560, 338873, 677746, 1016619, 1355492, 1694365, 2033238, 2710984, 3388730, 4066476, 5083095, 5421968, 6777460, 8132952, 10166190, 13554920, 16265904, 20332380, 27109840, 40664760, 81329520]

約数ペア:

[(1, 81329520), (2, 40664760), (3, 27109840), (4, 20332380), (5, 16265904), (6, 13554920), (8, 10166190), (10, 8132952), (12, 6777460), (15, 5421968), (16, 5083095), (20, 4066476), (24, 3388730), (30, 2710984), (40, 2033238), (48, 1694365), (60, 1355492), (80, 1016619), (120, 677746), (240, 338873), (317, 256560), (634, 128280), (951, 85520), (1069, 76080), (1268, 64140), (1585, 51312), (1902, 42760), (2138, 38040), (2536, 32070), (3170, 25656), (3207, 25360), (3804, 21380), (4276, 19020), (4755, 17104), (5072, 16035), (5345, 15216), (6340, 12828), (6414, 12680), (7608, 10690), (8552, 9510)]