1285284880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{17597}}^1$

素因数の和:17704

約数の個数: 80

約数和(自身を含む): 3299413824

約数和(自身を除く): 2014128944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 83, 88, 110, 166, 176, 220, 332, 415, 440, 664, 830, 880, 913, 1328, 1660, 1826, 3320, 3652, 4565, 6640, 7304, 9130, 14608, 17597, 18260, 35194, 36520, 70388, 73040, 87985, 140776, 175970, 193567, 281552, 351940, 387134, 703880, 774268, 967835, 1407760, 1460551, 1548536, 1935670, 2921102, 3097072, 3871340, 5842204, 7302755, 7742680, 11684408, 14605510, 15485360, 16066061, 23368816, 29211020, 32132122, 58422040, 64264244, 80330305, 116844080, 128528488, 160660610, 257056976, 321321220, 642642440, 1285284880]

約数ペア:

[(1, 1285284880), (2, 642642440), (4, 321321220), (5, 257056976), (8, 160660610), (10, 128528488), (11, 116844080), (16, 80330305), (20, 64264244), (22, 58422040), (40, 32132122), (44, 29211020), (55, 23368816), (80, 16066061), (83, 15485360), (88, 14605510), (110, 11684408), (166, 7742680), (176, 7302755), (220, 5842204), (332, 3871340), (415, 3097072), (440, 2921102), (664, 1935670), (830, 1548536), (880, 1460551), (913, 1407760), (1328, 967835), (1660, 774268), (1826, 703880), (3320, 387134), (3652, 351940), (4565, 281552), (6640, 193567), (7304, 175970), (9130, 140776), (14608, 87985), (17597, 73040), (18260, 70388), (35194, 36520)]