27280880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1069}}^1$

素因数の和:1122

約数の個数: 80

約数和(自身を含む): 71647200

約数和(自身を除く): 44366320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 110, 116, 145, 176, 220, 232, 290, 319, 440, 464, 580, 638, 880, 1069, 1160, 1276, 1595, 2138, 2320, 2552, 3190, 4276, 5104, 5345, 6380, 8552, 10690, 11759, 12760, 17104, 21380, 23518, 25520, 31001, 42760, 47036, 58795, 62002, 85520, 94072, 117590, 124004, 155005, 188144, 235180, 248008, 310010, 341011, 470360, 496016, 620020, 682022, 940720, 1240040, 1364044, 1705055, 2480080, 2728088, 3410110, 5456176, 6820220, 13640440, 27280880]

約数ペア:

[(1, 27280880), (2, 13640440), (4, 6820220), (5, 5456176), (8, 3410110), (10, 2728088), (11, 2480080), (16, 1705055), (20, 1364044), (22, 1240040), (29, 940720), (40, 682022), (44, 620020), (55, 496016), (58, 470360), (80, 341011), (88, 310010), (110, 248008), (116, 235180), (145, 188144), (176, 155005), (220, 124004), (232, 117590), (290, 94072), (319, 85520), (440, 62002), (464, 58795), (580, 47036), (638, 42760), (880, 31001), (1069, 25520), (1160, 23518), (1276, 21380), (1595, 17104), (2138, 12760), (2320, 11759), (2552, 10690), (3190, 8552), (4276, 6380), (5104, 5345)]