80734720

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 160

約数和(自身を含む): 219200256

約数和(自身を除く): 138465536

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 47, 55, 61, 64, 80, 88, 94, 110, 122, 128, 160, 176, 188, 220, 235, 244, 256, 305, 320, 352, 376, 440, 470, 488, 512, 517, 610, 640, 671, 704, 752, 880, 940, 976, 1034, 1220, 1280, 1342, 1408, 1504, 1760, 1880, 1952, 2068, 2440, 2560, 2585, 2684, 2816, 2867, 3008, 3355, 3520, 3760, 3904, 4136, 4880, 5170, 5368, 5632, 5734, 6016, 6710, 7040, 7520, 7808, 8272, 9760, 10340, 10736, 11468, 12032, 13420, 14080, 14335, 15040, 15616, 16544, 19520, 20680, 21472, 22936, 24064, 26840, 28160, 28670, 30080, 31232, 31537, 33088, 39040, 41360, 42944, 45872, 53680, 57340, 60160, 63074, 66176, 78080, 82720, 85888, 91744, 107360, 114680, 120320, 126148, 132352, 156160, 157685, 165440, 171776, 183488, 214720, 229360, 252296, 264704, 315370, 330880, 343552, 366976, 429440, 458720, 504592, 630740, 661760, 733952, 858880, 917440, 1009184, 1261480, 1323520, 1467904, 1717760, 1834880, 2018368, 2522960, 3669760, 4036736, 5045920, 7339520, 8073472, 10091840, 16146944, 20183680, 40367360, 80734720]

約数ペア:

[(1, 80734720), (2, 40367360), (4, 20183680), (5, 16146944), (8, 10091840), (10, 8073472), (11, 7339520), (16, 5045920), (20, 4036736), (22, 3669760), (32, 2522960), (40, 2018368), (44, 1834880), (47, 1717760), (55, 1467904), (61, 1323520), (64, 1261480), (80, 1009184), (88, 917440), (94, 858880), (110, 733952), (122, 661760), (128, 630740), (160, 504592), (176, 458720), (188, 429440), (220, 366976), (235, 343552), (244, 330880), (256, 315370), (305, 264704), (320, 252296), (352, 229360), (376, 214720), (440, 183488), (470, 171776), (488, 165440), (512, 157685), (517, 156160), (610, 132352), (640, 126148), (671, 120320), (704, 114680), (752, 107360), (880, 91744), (940, 85888), (976, 82720), (1034, 78080), (1220, 66176), (1280, 63074), (1342, 60160), (1408, 57340), (1504, 53680), (1760, 45872), (1880, 42944), (1952, 41360), (2068, 39040), (2440, 33088), (2560, 31537), (2585, 31232), (2684, 30080), (2816, 28670), (2867, 28160), (3008, 26840), (3355, 24064), (3520, 22936), (3760, 21472), (3904, 20680), (4136, 19520), (4880, 16544), (5170, 15616), (5368, 15040), (5632, 14335), (5734, 14080), (6016, 13420), (6710, 12032), (7040, 11468), (7520, 10736), (7808, 10340), (8272, 9760)]