15223840

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 39599280

約数和(自身を除く): 24375440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 32, 34, 40, 58, 68, 80, 85, 116, 136, 145, 160, 170, 193, 232, 272, 290, 340, 386, 464, 493, 544, 580, 680, 772, 928, 965, 986, 1160, 1360, 1544, 1930, 1972, 2320, 2465, 2720, 3088, 3281, 3860, 3944, 4640, 4930, 5597, 6176, 6562, 7720, 7888, 9860, 11194, 13124, 15440, 15776, 16405, 19720, 22388, 26248, 27985, 30880, 32810, 39440, 44776, 52496, 55970, 65620, 78880, 89552, 95149, 104992, 111940, 131240, 179104, 190298, 223880, 262480, 380596, 447760, 475745, 524960, 761192, 895520, 951490, 1522384, 1902980, 3044768, 3805960, 7611920, 15223840]

約数ペア:

[(1, 15223840), (2, 7611920), (4, 3805960), (5, 3044768), (8, 1902980), (10, 1522384), (16, 951490), (17, 895520), (20, 761192), (29, 524960), (32, 475745), (34, 447760), (40, 380596), (58, 262480), (68, 223880), (80, 190298), (85, 179104), (116, 131240), (136, 111940), (145, 104992), (160, 95149), (170, 89552), (193, 78880), (232, 65620), (272, 55970), (290, 52496), (340, 44776), (386, 39440), (464, 32810), (493, 30880), (544, 27985), (580, 26248), (680, 22388), (772, 19720), (928, 16405), (965, 15776), (986, 15440), (1160, 13124), (1360, 11194), (1544, 9860), (1930, 7888), (1972, 7720), (2320, 6562), (2465, 6176), (2720, 5597), (3088, 4930), (3281, 4640), (3860, 3944)]