1256697680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{829}}^1\times {\mathrm{2707}}^1$

素因数の和:3556

約数の個数: 80

約数和(自身を含む): 3344488320

約数和(自身を除く): 2087790640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 829, 1658, 2707, 3316, 4145, 5414, 5803, 6632, 8290, 10828, 11606, 13264, 13535, 16580, 18949, 21656, 23212, 27070, 29015, 33160, 37898, 43312, 46424, 54140, 58030, 66320, 75796, 92848, 94745, 108280, 116060, 151592, 189490, 216560, 232120, 303184, 378980, 464240, 757960, 1515920, 2244103, 4488206, 8976412, 11220515, 15708721, 17952824, 22441030, 31417442, 35905648, 44882060, 62834884, 78543605, 89764120, 125669768, 157087210, 179528240, 251339536, 314174420, 628348840, 1256697680]

約数ペア:

[(1, 1256697680), (2, 628348840), (4, 314174420), (5, 251339536), (7, 179528240), (8, 157087210), (10, 125669768), (14, 89764120), (16, 78543605), (20, 62834884), (28, 44882060), (35, 35905648), (40, 31417442), (56, 22441030), (70, 17952824), (80, 15708721), (112, 11220515), (140, 8976412), (280, 4488206), (560, 2244103), (829, 1515920), (1658, 757960), (2707, 464240), (3316, 378980), (4145, 303184), (5414, 232120), (5803, 216560), (6632, 189490), (8290, 151592), (10828, 116060), (11606, 108280), (13264, 94745), (13535, 92848), (16580, 75796), (18949, 66320), (21656, 58030), (23212, 54140), (27070, 46424), (29015, 43312), (33160, 37898)]