1388666880

素因数分解:

$2^{13}\times 3^2\times 5^1\times {\mathrm{3767}}^1$

素因数の和:3804

約数の個数: 168

約数和(自身を含む): 4815029232

約数和(自身を除く): 3426362352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3767, 3840, 4096, 4608, 5120, 5760, 6144, 7534, 7680, 8192, 9216, 10240, 11301, 11520, 12288, 15068, 15360, 18432, 18835, 20480, 22602, 23040, 24576, 30136, 30720, 33903, 36864, 37670, 40960, 45204, 46080, 56505, 60272, 61440, 67806, 73728, 75340, 90408, 92160, 113010, 120544, 122880, 135612, 150680, 169515, 180816, 184320, 226020, 241088, 271224, 301360, 339030, 361632, 368640, 452040, 482176, 542448, 602720, 678060, 723264, 904080, 964352, 1084896, 1205440, 1356120, 1446528, 1808160, 1928704, 2169792, 2410880, 2712240, 2893056, 3616320, 3857408, 4339584, 4821760, 5424480, 5786112, 7232640, 7714816, 8679168, 9643520, 10848960, 11572224, 14465280, 15429632, 17358336, 19287040, 21697920, 23144448, 28930560, 30859264, 34716672, 38574080, 43395840, 46288896, 57861120, 69433344, 77148160, 86791680, 92577792, 115722240, 138866688, 154296320, 173583360, 231444480, 277733376, 347166720, 462888960, 694333440, 1388666880]

約数ペア:

[(1, 1388666880), (2, 694333440), (3, 462888960), (4, 347166720), (5, 277733376), (6, 231444480), (8, 173583360), (9, 154296320), (10, 138866688), (12, 115722240), (15, 92577792), (16, 86791680), (18, 77148160), (20, 69433344), (24, 57861120), (30, 46288896), (32, 43395840), (36, 38574080), (40, 34716672), (45, 30859264), (48, 28930560), (60, 23144448), (64, 21697920), (72, 19287040), (80, 17358336), (90, 15429632), (96, 14465280), (120, 11572224), (128, 10848960), (144, 9643520), (160, 8679168), (180, 7714816), (192, 7232640), (240, 5786112), (256, 5424480), (288, 4821760), (320, 4339584), (360, 3857408), (384, 3616320), (480, 2893056), (512, 2712240), (576, 2410880), (640, 2169792), (720, 1928704), (768, 1808160), (960, 1446528), (1024, 1356120), (1152, 1205440), (1280, 1084896), (1440, 964352), (1536, 904080), (1920, 723264), (2048, 678060), (2304, 602720), (2560, 542448), (2880, 482176), (3072, 452040), (3767, 368640), (3840, 361632), (4096, 339030), (4608, 301360), (5120, 271224), (5760, 241088), (6144, 226020), (7534, 184320), (7680, 180816), (8192, 169515), (9216, 150680), (10240, 135612), (11301, 122880), (11520, 120544), (12288, 113010), (15068, 92160), (15360, 90408), (18432, 75340), (18835, 73728), (20480, 67806), (22602, 61440), (23040, 60272), (24576, 56505), (30136, 46080), (30720, 45204), (33903, 40960), (36864, 37670)]