160072880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1801}}^1$

素因数の和:1926

約数の個数: 80

約数和(自身を含む): 410250528

約数和(自身を除く): 250177648

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 101, 110, 176, 202, 220, 404, 440, 505, 808, 880, 1010, 1111, 1616, 1801, 2020, 2222, 3602, 4040, 4444, 5555, 7204, 8080, 8888, 9005, 11110, 14408, 17776, 18010, 19811, 22220, 28816, 36020, 39622, 44440, 72040, 79244, 88880, 99055, 144080, 158488, 181901, 198110, 316976, 363802, 396220, 727604, 792440, 909505, 1455208, 1584880, 1819010, 2000911, 2910416, 3638020, 4001822, 7276040, 8003644, 10004555, 14552080, 16007288, 20009110, 32014576, 40018220, 80036440, 160072880]

約数ペア:

[(1, 160072880), (2, 80036440), (4, 40018220), (5, 32014576), (8, 20009110), (10, 16007288), (11, 14552080), (16, 10004555), (20, 8003644), (22, 7276040), (40, 4001822), (44, 3638020), (55, 2910416), (80, 2000911), (88, 1819010), (101, 1584880), (110, 1455208), (176, 909505), (202, 792440), (220, 727604), (404, 396220), (440, 363802), (505, 316976), (808, 198110), (880, 181901), (1010, 158488), (1111, 144080), (1616, 99055), (1801, 88880), (2020, 79244), (2222, 72040), (3602, 44440), (4040, 39622), (4444, 36020), (5555, 28816), (7204, 22220), (8080, 19811), (8888, 18010), (9005, 17776), (11110, 14408)]