78649920

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{9103}}^1$

素因数の和:9129

約数の個数: 112

約数和(自身を含む): 277489920

約数和(自身を除く): 198840000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2880, 4320, 8640, 9103, 18206, 27309, 36412, 45515, 54618, 72824, 81927, 91030, 109236, 136545, 145648, 163854, 182060, 218472, 245781, 273090, 291296, 327708, 364120, 409635, 436944, 491562, 546180, 582592, 655416, 728240, 819270, 873888, 983124, 1092360, 1228905, 1310832, 1456480, 1638540, 1747776, 1966248, 2184720, 2457810, 2621664, 2912960, 3277080, 3932496, 4369440, 4915620, 5243328, 6554160, 7864992, 8738880, 9831240, 13108320, 15729984, 19662480, 26216640, 39324960, 78649920]

約数ペア:

[(1, 78649920), (2, 39324960), (3, 26216640), (4, 19662480), (5, 15729984), (6, 13108320), (8, 9831240), (9, 8738880), (10, 7864992), (12, 6554160), (15, 5243328), (16, 4915620), (18, 4369440), (20, 3932496), (24, 3277080), (27, 2912960), (30, 2621664), (32, 2457810), (36, 2184720), (40, 1966248), (45, 1747776), (48, 1638540), (54, 1456480), (60, 1310832), (64, 1228905), (72, 1092360), (80, 983124), (90, 873888), (96, 819270), (108, 728240), (120, 655416), (135, 582592), (144, 546180), (160, 491562), (180, 436944), (192, 409635), (216, 364120), (240, 327708), (270, 291296), (288, 273090), (320, 245781), (360, 218472), (432, 182060), (480, 163854), (540, 145648), (576, 136545), (720, 109236), (864, 91030), (960, 81927), (1080, 72824), (1440, 54618), (1728, 45515), (2160, 36412), (2880, 27309), (4320, 18206), (8640, 9103)]