68420240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7187}}^1$

素因数の和:7224

約数の個数: 80

約数和(自身を含む): 192523392

約数和(自身を除く): 124103152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 2380, 4760, 7187, 9520, 14374, 28748, 35935, 50309, 57496, 71870, 100618, 114992, 122179, 143740, 201236, 244358, 251545, 287480, 402472, 488716, 503090, 574960, 610895, 804944, 855253, 977432, 1006180, 1221790, 1710506, 1954864, 2012360, 2443580, 3421012, 4024720, 4276265, 4887160, 6842024, 8552530, 9774320, 13684048, 17105060, 34210120, 68420240]

約数ペア:

[(1, 68420240), (2, 34210120), (4, 17105060), (5, 13684048), (7, 9774320), (8, 8552530), (10, 6842024), (14, 4887160), (16, 4276265), (17, 4024720), (20, 3421012), (28, 2443580), (34, 2012360), (35, 1954864), (40, 1710506), (56, 1221790), (68, 1006180), (70, 977432), (80, 855253), (85, 804944), (112, 610895), (119, 574960), (136, 503090), (140, 488716), (170, 402472), (238, 287480), (272, 251545), (280, 244358), (340, 201236), (476, 143740), (560, 122179), (595, 114992), (680, 100618), (952, 71870), (1190, 57496), (1360, 50309), (1904, 35935), (2380, 28748), (4760, 14374), (7187, 9520)]