80696560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4969}}^1$

素因数の和:5018

約数の個数: 80

約数和(自身を含む): 221860800

約数和(自身を除く): 141164240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 4969, 8120, 9938, 16240, 19876, 24845, 34783, 39752, 49690, 69566, 79504, 99380, 139132, 144101, 173915, 198760, 278264, 288202, 347830, 397520, 556528, 576404, 695660, 720505, 1008707, 1152808, 1391320, 1441010, 2017414, 2305616, 2782640, 2882020, 4034828, 5043535, 5764040, 8069656, 10087070, 11528080, 16139312, 20174140, 40348280, 80696560]

約数ペア:

[(1, 80696560), (2, 40348280), (4, 20174140), (5, 16139312), (7, 11528080), (8, 10087070), (10, 8069656), (14, 5764040), (16, 5043535), (20, 4034828), (28, 2882020), (29, 2782640), (35, 2305616), (40, 2017414), (56, 1441010), (58, 1391320), (70, 1152808), (80, 1008707), (112, 720505), (116, 695660), (140, 576404), (145, 556528), (203, 397520), (232, 347830), (280, 288202), (290, 278264), (406, 198760), (464, 173915), (560, 144101), (580, 139132), (812, 99380), (1015, 79504), (1160, 69566), (1624, 49690), (2030, 39752), (2320, 34783), (3248, 24845), (4060, 19876), (4969, 16240), (8120, 9938)]