218361440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11279}}^1$

素因数の和:11316

約数の個数: 72

約数和(自身を含む): 567090720

約数和(自身を除く): 348729280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1760, 1936, 2420, 3872, 4840, 9680, 11279, 19360, 22558, 45116, 56395, 90232, 112790, 124069, 180464, 225580, 248138, 360928, 451160, 496276, 620345, 902320, 992552, 1240690, 1364759, 1804640, 1985104, 2481380, 2729518, 3970208, 4962760, 5459036, 6823795, 9925520, 10918072, 13647590, 19851040, 21836144, 27295180, 43672288, 54590360, 109180720, 218361440]

約数ペア:

[(1, 218361440), (2, 109180720), (4, 54590360), (5, 43672288), (8, 27295180), (10, 21836144), (11, 19851040), (16, 13647590), (20, 10918072), (22, 9925520), (32, 6823795), (40, 5459036), (44, 4962760), (55, 3970208), (80, 2729518), (88, 2481380), (110, 1985104), (121, 1804640), (160, 1364759), (176, 1240690), (220, 992552), (242, 902320), (352, 620345), (440, 496276), (484, 451160), (605, 360928), (880, 248138), (968, 225580), (1210, 180464), (1760, 124069), (1936, 112790), (2420, 90232), (3872, 56395), (4840, 45116), (9680, 22558), (11279, 19360)]