68837120

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4889}}^1$

素因数の和:4921

約数の個数: 72

約数和(自身を含む): 179912880

約数和(自身を除く): 111075760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 4889, 7040, 9778, 14080, 19556, 24445, 39112, 48890, 53779, 78224, 97780, 107558, 156448, 195560, 215116, 268895, 312896, 391120, 430232, 537790, 625792, 782240, 860464, 1075580, 1251584, 1564480, 1720928, 2151160, 3128960, 3441856, 4302320, 6257920, 6883712, 8604640, 13767424, 17209280, 34418560, 68837120]

約数ペア:

[(1, 68837120), (2, 34418560), (4, 17209280), (5, 13767424), (8, 8604640), (10, 6883712), (11, 6257920), (16, 4302320), (20, 3441856), (22, 3128960), (32, 2151160), (40, 1720928), (44, 1564480), (55, 1251584), (64, 1075580), (80, 860464), (88, 782240), (110, 625792), (128, 537790), (160, 430232), (176, 391120), (220, 312896), (256, 268895), (320, 215116), (352, 195560), (440, 156448), (640, 107558), (704, 97780), (880, 78224), (1280, 53779), (1408, 48890), (1760, 39112), (2816, 24445), (3520, 19556), (4889, 14080), (7040, 9778)]