7870720

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1$

素因数の和:88

約数の個数: 144

約数和(自身を含む): 22663872

約数和(自身を除く): 14793152

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 43, 44, 52, 55, 64, 65, 80, 86, 88, 104, 110, 128, 130, 143, 160, 172, 176, 208, 215, 220, 256, 260, 286, 320, 344, 352, 416, 430, 440, 473, 520, 559, 572, 640, 688, 704, 715, 832, 860, 880, 946, 1040, 1118, 1144, 1280, 1376, 1408, 1430, 1664, 1720, 1760, 1892, 2080, 2236, 2288, 2365, 2752, 2795, 2816, 2860, 3328, 3440, 3520, 3784, 4160, 4472, 4576, 4730, 5504, 5590, 5720, 6149, 6880, 7040, 7568, 8320, 8944, 9152, 9460, 11008, 11180, 11440, 12298, 13760, 14080, 15136, 16640, 17888, 18304, 18920, 22360, 22880, 24596, 27520, 30272, 30745, 35776, 36608, 37840, 44720, 45760, 49192, 55040, 60544, 61490, 71552, 75680, 89440, 91520, 98384, 121088, 122980, 143104, 151360, 178880, 183040, 196768, 245960, 302720, 357760, 393536, 491920, 605440, 715520, 787072, 983840, 1574144, 1967680, 3935360, 7870720]

約数ペア:

[(1, 7870720), (2, 3935360), (4, 1967680), (5, 1574144), (8, 983840), (10, 787072), (11, 715520), (13, 605440), (16, 491920), (20, 393536), (22, 357760), (26, 302720), (32, 245960), (40, 196768), (43, 183040), (44, 178880), (52, 151360), (55, 143104), (64, 122980), (65, 121088), (80, 98384), (86, 91520), (88, 89440), (104, 75680), (110, 71552), (128, 61490), (130, 60544), (143, 55040), (160, 49192), (172, 45760), (176, 44720), (208, 37840), (215, 36608), (220, 35776), (256, 30745), (260, 30272), (286, 27520), (320, 24596), (344, 22880), (352, 22360), (416, 18920), (430, 18304), (440, 17888), (473, 16640), (520, 15136), (559, 14080), (572, 13760), (640, 12298), (688, 11440), (704, 11180), (715, 11008), (832, 9460), (860, 9152), (880, 8944), (946, 8320), (1040, 7568), (1118, 7040), (1144, 6880), (1280, 6149), (1376, 5720), (1408, 5590), (1430, 5504), (1664, 4730), (1720, 4576), (1760, 4472), (1892, 4160), (2080, 3784), (2236, 3520), (2288, 3440), (2365, 3328), (2752, 2860), (2795, 2816)]