18800640

素因数分解:

$2^{13}\times 3^3\times 5^1\times {\mathrm{17}}^1$

素因数の和:57

約数の個数: 224

約数和(自身を含む): 70774560

約数和(自身を除く): 51973920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 170, 180, 192, 204, 216, 240, 255, 256, 270, 272, 288, 306, 320, 340, 360, 384, 408, 432, 459, 480, 510, 512, 540, 544, 576, 612, 640, 680, 720, 765, 768, 816, 864, 918, 960, 1020, 1024, 1080, 1088, 1152, 1224, 1280, 1360, 1440, 1530, 1536, 1632, 1728, 1836, 1920, 2040, 2048, 2160, 2176, 2295, 2304, 2448, 2560, 2720, 2880, 3060, 3072, 3264, 3456, 3672, 3840, 4080, 4096, 4320, 4352, 4590, 4608, 4896, 5120, 5440, 5760, 6120, 6144, 6528, 6912, 7344, 7680, 8160, 8192, 8640, 8704, 9180, 9216, 9792, 10240, 10880, 11520, 12240, 12288, 13056, 13824, 14688, 15360, 16320, 17280, 17408, 18360, 18432, 19584, 20480, 21760, 23040, 24480, 24576, 26112, 27648, 29376, 30720, 32640, 34560, 34816, 36720, 36864, 39168, 40960, 43520, 46080, 48960, 52224, 55296, 58752, 61440, 65280, 69120, 69632, 73440, 73728, 78336, 87040, 92160, 97920, 104448, 110592, 117504, 122880, 130560, 138240, 139264, 146880, 156672, 174080, 184320, 195840, 208896, 221184, 235008, 261120, 276480, 293760, 313344, 348160, 368640, 391680, 417792, 470016, 522240, 552960, 587520, 626688, 696320, 783360, 940032, 1044480, 1105920, 1175040, 1253376, 1566720, 1880064, 2088960, 2350080, 3133440, 3760128, 4700160, 6266880, 9400320, 18800640]

約数ペア:

[(1, 18800640), (2, 9400320), (3, 6266880), (4, 4700160), (5, 3760128), (6, 3133440), (8, 2350080), (9, 2088960), (10, 1880064), (12, 1566720), (15, 1253376), (16, 1175040), (17, 1105920), (18, 1044480), (20, 940032), (24, 783360), (27, 696320), (30, 626688), (32, 587520), (34, 552960), (36, 522240), (40, 470016), (45, 417792), (48, 391680), (51, 368640), (54, 348160), (60, 313344), (64, 293760), (68, 276480), (72, 261120), (80, 235008), (85, 221184), (90, 208896), (96, 195840), (102, 184320), (108, 174080), (120, 156672), (128, 146880), (135, 139264), (136, 138240), (144, 130560), (153, 122880), (160, 117504), (170, 110592), (180, 104448), (192, 97920), (204, 92160), (216, 87040), (240, 78336), (255, 73728), (256, 73440), (270, 69632), (272, 69120), (288, 65280), (306, 61440), (320, 58752), (340, 55296), (360, 52224), (384, 48960), (408, 46080), (432, 43520), (459, 40960), (480, 39168), (510, 36864), (512, 36720), (540, 34816), (544, 34560), (576, 32640), (612, 30720), (640, 29376), (680, 27648), (720, 26112), (765, 24576), (768, 24480), (816, 23040), (864, 21760), (918, 20480), (960, 19584), (1020, 18432), (1024, 18360), (1080, 17408), (1088, 17280), (1152, 16320), (1224, 15360), (1280, 14688), (1360, 13824), (1440, 13056), (1530, 12288), (1536, 12240), (1632, 11520), (1728, 10880), (1836, 10240), (1920, 9792), (2040, 9216), (2048, 9180), (2160, 8704), (2176, 8640), (2295, 8192), (2304, 8160), (2448, 7680), (2560, 7344), (2720, 6912), (2880, 6528), (3060, 6144), (3072, 6120), (3264, 5760), (3456, 5440), (3672, 5120), (3840, 4896), (4080, 4608), (4096, 4590), (4320, 4352)]