80286640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{467}}^1$

素因数の和:794

約数の個数: 80

約数和(自身を含む): 214486272

約数和(自身を除く): 134199632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 307, 467, 560, 614, 934, 1228, 1535, 1868, 2149, 2335, 2456, 3070, 3269, 3736, 4298, 4670, 4912, 6140, 6538, 7472, 8596, 9340, 10745, 12280, 13076, 16345, 17192, 18680, 21490, 24560, 26152, 32690, 34384, 37360, 42980, 52304, 65380, 85960, 130760, 143369, 171920, 261520, 286738, 573476, 716845, 1003583, 1146952, 1433690, 2007166, 2293904, 2867380, 4014332, 5017915, 5734760, 8028664, 10035830, 11469520, 16057328, 20071660, 40143320, 80286640]

約数ペア:

[(1, 80286640), (2, 40143320), (4, 20071660), (5, 16057328), (7, 11469520), (8, 10035830), (10, 8028664), (14, 5734760), (16, 5017915), (20, 4014332), (28, 2867380), (35, 2293904), (40, 2007166), (56, 1433690), (70, 1146952), (80, 1003583), (112, 716845), (140, 573476), (280, 286738), (307, 261520), (467, 171920), (560, 143369), (614, 130760), (934, 85960), (1228, 65380), (1535, 52304), (1868, 42980), (2149, 37360), (2335, 34384), (2456, 32690), (3070, 26152), (3269, 24560), (3736, 21490), (4298, 18680), (4670, 17192), (4912, 16345), (6140, 13076), (6538, 12280), (7472, 10745), (8596, 9340)]