17966704720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{74687}}^1$

素因数の和:74828

約数の個数: 80

約数和(自身を含む): 43565211648

約数和(自身を除く): 25598506928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 97, 124, 155, 194, 248, 310, 388, 485, 496, 620, 776, 970, 1240, 1552, 1940, 2480, 3007, 3880, 6014, 7760, 12028, 15035, 24056, 30070, 48112, 60140, 74687, 120280, 149374, 240560, 298748, 373435, 597496, 746870, 1194992, 1493740, 2315297, 2987480, 4630594, 5974960, 7244639, 9261188, 11576485, 14489278, 18522376, 23152970, 28978556, 36223195, 37044752, 46305940, 57957112, 72446390, 92611880, 115914224, 144892780, 185223760, 224583809, 289785560, 449167618, 579571120, 898335236, 1122919045, 1796670472, 2245838090, 3593340944, 4491676180, 8983352360, 17966704720]

約数ペア:

[(1, 17966704720), (2, 8983352360), (4, 4491676180), (5, 3593340944), (8, 2245838090), (10, 1796670472), (16, 1122919045), (20, 898335236), (31, 579571120), (40, 449167618), (62, 289785560), (80, 224583809), (97, 185223760), (124, 144892780), (155, 115914224), (194, 92611880), (248, 72446390), (310, 57957112), (388, 46305940), (485, 37044752), (496, 36223195), (620, 28978556), (776, 23152970), (970, 18522376), (1240, 14489278), (1552, 11576485), (1940, 9261188), (2480, 7244639), (3007, 5974960), (3880, 4630594), (6014, 2987480), (7760, 2315297), (12028, 1493740), (15035, 1194992), (24056, 746870), (30070, 597496), (48112, 373435), (60140, 298748), (74687, 240560), (120280, 149374)]