157216542920

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1493}}^1\times {\mathrm{23297}}^1$

素因数の和:24914

約数の個数: 64

約数和(自身を含む): 357121995120

約数和(自身を除く): 199905452200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 1493, 2260, 2986, 4520, 5972, 7465, 11944, 14930, 23297, 29860, 46594, 59720, 93188, 116485, 168709, 186376, 232970, 337418, 465940, 674836, 843545, 931880, 1349672, 1687090, 2632561, 3374180, 5265122, 6748360, 10530244, 13162805, 21060488, 26325610, 34782421, 52651220, 69564842, 105302440, 139129684, 173912105, 278259368, 347824210, 695648420, 1391296840, 3930413573, 7860827146, 15721654292, 19652067865, 31443308584, 39304135730, 78608271460, 157216542920]

約数ペア:

[(1, 157216542920), (2, 78608271460), (4, 39304135730), (5, 31443308584), (8, 19652067865), (10, 15721654292), (20, 7860827146), (40, 3930413573), (113, 1391296840), (226, 695648420), (452, 347824210), (565, 278259368), (904, 173912105), (1130, 139129684), (1493, 105302440), (2260, 69564842), (2986, 52651220), (4520, 34782421), (5972, 26325610), (7465, 21060488), (11944, 13162805), (14930, 10530244), (23297, 6748360), (29860, 5265122), (46594, 3374180), (59720, 2632561), (93188, 1687090), (116485, 1349672), (168709, 931880), (186376, 843545), (232970, 674836), (337418, 465940)]