28055664640

素因数分解:

$2^{11}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2851}}^1$

素因数の和:2940

約数の個数: 144

約数和(自身を含む): 69583124520

約数和(自身を除く): 41527459880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 961, 992, 1024, 1240, 1280, 1922, 1984, 2048, 2480, 2560, 2851, 3844, 3968, 4805, 4960, 5120, 5702, 7688, 7936, 9610, 9920, 10240, 11404, 14255, 15376, 15872, 19220, 19840, 22808, 28510, 30752, 31744, 38440, 39680, 45616, 57020, 61504, 63488, 76880, 79360, 88381, 91232, 114040, 123008, 153760, 158720, 176762, 182464, 228080, 246016, 307520, 317440, 353524, 364928, 441905, 456160, 492032, 615040, 707048, 729856, 883810, 912320, 984064, 1230080, 1414096, 1459712, 1767620, 1824640, 1968128, 2460160, 2739811, 2828192, 2919424, 3535240, 3649280, 4920320, 5479622, 5656384, 5838848, 7070480, 7298560, 9840640, 10959244, 11312768, 13699055, 14140960, 14597120, 21918488, 22625536, 27398110, 28281920, 29194240, 43836976, 45251072, 54796220, 56563840, 87673952, 90502144, 109592440, 113127680, 175347904, 181004288, 219184880, 226255360, 350695808, 438369760, 452510720, 701391616, 876739520, 905021440, 1402783232, 1753479040, 2805566464, 3506958080, 5611132928, 7013916160, 14027832320, 28055664640]

約数ペア:

[(1, 28055664640), (2, 14027832320), (4, 7013916160), (5, 5611132928), (8, 3506958080), (10, 2805566464), (16, 1753479040), (20, 1402783232), (31, 905021440), (32, 876739520), (40, 701391616), (62, 452510720), (64, 438369760), (80, 350695808), (124, 226255360), (128, 219184880), (155, 181004288), (160, 175347904), (248, 113127680), (256, 109592440), (310, 90502144), (320, 87673952), (496, 56563840), (512, 54796220), (620, 45251072), (640, 43836976), (961, 29194240), (992, 28281920), (1024, 27398110), (1240, 22625536), (1280, 21918488), (1922, 14597120), (1984, 14140960), (2048, 13699055), (2480, 11312768), (2560, 10959244), (2851, 9840640), (3844, 7298560), (3968, 7070480), (4805, 5838848), (4960, 5656384), (5120, 5479622), (5702, 4920320), (7688, 3649280), (7936, 3535240), (9610, 2919424), (9920, 2828192), (10240, 2739811), (11404, 2460160), (14255, 1968128), (15376, 1824640), (15872, 1767620), (19220, 1459712), (19840, 1414096), (22808, 1230080), (28510, 984064), (30752, 912320), (31744, 883810), (38440, 729856), (39680, 707048), (45616, 615040), (57020, 492032), (61504, 456160), (63488, 441905), (76880, 364928), (79360, 353524), (88381, 317440), (91232, 307520), (114040, 246016), (123008, 228080), (153760, 182464), (158720, 176762)]