248545920

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{18493}}^1$

素因数の和:18522

約数の個数: 128

約数和(自身を含む): 905466240

約数和(自身を除く): 656920320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 18493, 36986, 55479, 73972, 92465, 110958, 129451, 147944, 184930, 221916, 258902, 277395, 295888, 369860, 388353, 443832, 517804, 554790, 591776, 647255, 739720, 776706, 887664, 1035608, 1109580, 1183552, 1294510, 1479440, 1553412, 1775328, 1941765, 2071216, 2219160, 2367104, 2589020, 2958880, 3106824, 3550656, 3883530, 4142432, 4438320, 5178040, 5917760, 6213648, 7101312, 7767060, 8284864, 8876640, 10356080, 11835520, 12427296, 15534120, 16569728, 17753280, 20712160, 24854592, 31068240, 35506560, 41424320, 49709184, 62136480, 82848640, 124272960, 248545920]

約数ペア:

[(1, 248545920), (2, 124272960), (3, 82848640), (4, 62136480), (5, 49709184), (6, 41424320), (7, 35506560), (8, 31068240), (10, 24854592), (12, 20712160), (14, 17753280), (15, 16569728), (16, 15534120), (20, 12427296), (21, 11835520), (24, 10356080), (28, 8876640), (30, 8284864), (32, 7767060), (35, 7101312), (40, 6213648), (42, 5917760), (48, 5178040), (56, 4438320), (60, 4142432), (64, 3883530), (70, 3550656), (80, 3106824), (84, 2958880), (96, 2589020), (105, 2367104), (112, 2219160), (120, 2071216), (128, 1941765), (140, 1775328), (160, 1553412), (168, 1479440), (192, 1294510), (210, 1183552), (224, 1109580), (240, 1035608), (280, 887664), (320, 776706), (336, 739720), (384, 647255), (420, 591776), (448, 554790), (480, 517804), (560, 443832), (640, 388353), (672, 369860), (840, 295888), (896, 277395), (960, 258902), (1120, 221916), (1344, 184930), (1680, 147944), (1920, 129451), (2240, 110958), (2688, 92465), (3360, 73972), (4480, 55479), (6720, 36986), (13440, 18493)]