12739120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:95

約数の個数: 120

約数和(自身を含む): 34261200

約数和(自身を除く): 21522080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 29, 34, 38, 40, 58, 68, 76, 80, 85, 95, 116, 136, 145, 152, 170, 190, 232, 272, 289, 290, 304, 323, 340, 380, 464, 493, 551, 578, 580, 646, 680, 760, 986, 1102, 1156, 1160, 1292, 1360, 1445, 1520, 1615, 1972, 2204, 2312, 2320, 2465, 2584, 2755, 2890, 3230, 3944, 4408, 4624, 4930, 5168, 5491, 5510, 5780, 6460, 7888, 8381, 8816, 9367, 9860, 10982, 11020, 11560, 12920, 16762, 18734, 19720, 21964, 22040, 23120, 25840, 27455, 33524, 37468, 39440, 41905, 43928, 44080, 46835, 54910, 67048, 74936, 83810, 87856, 93670, 109820, 134096, 149872, 159239, 167620, 187340, 219640, 318478, 335240, 374680, 439280, 636956, 670480, 749360, 796195, 1273912, 1592390, 2547824, 3184780, 6369560, 12739120]

約数ペア:

[(1, 12739120), (2, 6369560), (4, 3184780), (5, 2547824), (8, 1592390), (10, 1273912), (16, 796195), (17, 749360), (19, 670480), (20, 636956), (29, 439280), (34, 374680), (38, 335240), (40, 318478), (58, 219640), (68, 187340), (76, 167620), (80, 159239), (85, 149872), (95, 134096), (116, 109820), (136, 93670), (145, 87856), (152, 83810), (170, 74936), (190, 67048), (232, 54910), (272, 46835), (289, 44080), (290, 43928), (304, 41905), (323, 39440), (340, 37468), (380, 33524), (464, 27455), (493, 25840), (551, 23120), (578, 22040), (580, 21964), (646, 19720), (680, 18734), (760, 16762), (986, 12920), (1102, 11560), (1156, 11020), (1160, 10982), (1292, 9860), (1360, 9367), (1445, 8816), (1520, 8381), (1615, 7888), (1972, 6460), (2204, 5780), (2312, 5510), (2320, 5491), (2465, 5168), (2584, 4930), (2755, 4624), (2890, 4408), (3230, 3944)]