18679891520

素因数分解:

$2^6\times 5^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1\times {\mathrm{1097}}^1$

素因数の和:1660

約数の個数: 112

約数和(自身を含む): 44979701760

約数和(自身を除く): 26299810240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 160, 254, 320, 419, 508, 635, 838, 1016, 1097, 1270, 1676, 2032, 2095, 2194, 2540, 3352, 4064, 4190, 4388, 5080, 5485, 6704, 8128, 8380, 8776, 10160, 10970, 13408, 16760, 17552, 20320, 21940, 26816, 33520, 35104, 40640, 43880, 53213, 67040, 70208, 87760, 106426, 134080, 139319, 175520, 212852, 266065, 278638, 351040, 425704, 459643, 532130, 557276, 696595, 851408, 919286, 1064260, 1114552, 1393190, 1702816, 1838572, 2128520, 2229104, 2298215, 2786380, 3405632, 3677144, 4257040, 4458208, 4596430, 5572760, 7354288, 8514080, 8916416, 9192860, 11145520, 14708576, 17028160, 18385720, 22291040, 29417152, 36771440, 44582080, 58374661, 73542880, 116749322, 147085760, 233498644, 291873305, 466997288, 583746610, 933994576, 1167493220, 1867989152, 2334986440, 3735978304, 4669972880, 9339945760, 18679891520]

約数ペア:

[(1, 18679891520), (2, 9339945760), (4, 4669972880), (5, 3735978304), (8, 2334986440), (10, 1867989152), (16, 1167493220), (20, 933994576), (32, 583746610), (40, 466997288), (64, 291873305), (80, 233498644), (127, 147085760), (160, 116749322), (254, 73542880), (320, 58374661), (419, 44582080), (508, 36771440), (635, 29417152), (838, 22291040), (1016, 18385720), (1097, 17028160), (1270, 14708576), (1676, 11145520), (2032, 9192860), (2095, 8916416), (2194, 8514080), (2540, 7354288), (3352, 5572760), (4064, 4596430), (4190, 4458208), (4388, 4257040), (5080, 3677144), (5485, 3405632), (6704, 2786380), (8128, 2298215), (8380, 2229104), (8776, 2128520), (10160, 1838572), (10970, 1702816), (13408, 1393190), (16760, 1114552), (17552, 1064260), (20320, 919286), (21940, 851408), (26816, 696595), (33520, 557276), (35104, 532130), (40640, 459643), (43880, 425704), (53213, 351040), (67040, 278638), (70208, 266065), (87760, 212852), (106426, 175520), (134080, 139319)]