20798940800

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{3301}}^1$

素因数の和:3515

約数の個数: 192

約数和(自身を含む): 56380989600

約数和(自身を除く): 35582048800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 179, 200, 220, 275, 320, 352, 358, 400, 440, 550, 640, 704, 716, 800, 880, 895, 1100, 1408, 1432, 1600, 1760, 1790, 1969, 2200, 2864, 3200, 3301, 3520, 3580, 3938, 4400, 4475, 5728, 6602, 7040, 7160, 7876, 8800, 8950, 9845, 11456, 13204, 14320, 15752, 16505, 17600, 17900, 19690, 22912, 26408, 28640, 31504, 33010, 35200, 35800, 36311, 39380, 49225, 52816, 57280, 63008, 66020, 71600, 72622, 78760, 82525, 98450, 105632, 114560, 126016, 132040, 143200, 145244, 157520, 165050, 181555, 196900, 211264, 252032, 264080, 286400, 290488, 315040, 330100, 363110, 393800, 422528, 528160, 572800, 580976, 590879, 630080, 660200, 726220, 787600, 907775, 1056320, 1161952, 1181758, 1260160, 1320400, 1452440, 1575200, 1815550, 2112640, 2323904, 2363516, 2640800, 2904880, 2954395, 3150400, 3631100, 4647808, 4727032, 5281600, 5809760, 5908790, 6300800, 6499669, 7262200, 9454064, 10563200, 11619520, 11817580, 12999338, 14524400, 14771975, 18908128, 23239040, 23635160, 25998676, 29048800, 29543950, 32498345, 37816256, 47270320, 51997352, 58097600, 59087900, 64996690, 75632512, 94540640, 103994704, 116195200, 118175800, 129993380, 162491725, 189081280, 207989408, 236351600, 259986760, 324983450, 378162560, 415978816, 472703200, 519973520, 649966900, 831957632, 945406400, 1039947040, 1299933800, 1890812800, 2079894080, 2599867600, 4159788160, 5199735200, 10399470400, 20798940800]

約数ペア:

[(1, 20798940800), (2, 10399470400), (4, 5199735200), (5, 4159788160), (8, 2599867600), (10, 2079894080), (11, 1890812800), (16, 1299933800), (20, 1039947040), (22, 945406400), (25, 831957632), (32, 649966900), (40, 519973520), (44, 472703200), (50, 415978816), (55, 378162560), (64, 324983450), (80, 259986760), (88, 236351600), (100, 207989408), (110, 189081280), (128, 162491725), (160, 129993380), (176, 118175800), (179, 116195200), (200, 103994704), (220, 94540640), (275, 75632512), (320, 64996690), (352, 59087900), (358, 58097600), (400, 51997352), (440, 47270320), (550, 37816256), (640, 32498345), (704, 29543950), (716, 29048800), (800, 25998676), (880, 23635160), (895, 23239040), (1100, 18908128), (1408, 14771975), (1432, 14524400), (1600, 12999338), (1760, 11817580), (1790, 11619520), (1969, 10563200), (2200, 9454064), (2864, 7262200), (3200, 6499669), (3301, 6300800), (3520, 5908790), (3580, 5809760), (3938, 5281600), (4400, 4727032), (4475, 4647808), (5728, 3631100), (6602, 3150400), (7040, 2954395), (7160, 2904880), (7876, 2640800), (8800, 2363516), (8950, 2323904), (9845, 2112640), (11456, 1815550), (13204, 1575200), (14320, 1452440), (15752, 1320400), (16505, 1260160), (17600, 1181758), (17900, 1161952), (19690, 1056320), (22912, 907775), (26408, 787600), (28640, 726220), (31504, 660200), (33010, 630080), (35200, 590879), (35800, 580976), (36311, 572800), (39380, 528160), (49225, 422528), (52816, 393800), (57280, 363110), (63008, 330100), (66020, 315040), (71600, 290488), (72622, 286400), (78760, 264080), (82525, 252032), (98450, 211264), (105632, 196900), (114560, 181555), (126016, 165050), (132040, 157520), (143200, 145244)]