78520320

素因数分解:

$2^{13}\times 3^3\times 5^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 224

約数和(自身を含む): 283098240

約数和(自身を除く): 204577920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 71, 72, 80, 90, 96, 108, 120, 128, 135, 142, 144, 160, 180, 192, 213, 216, 240, 256, 270, 284, 288, 320, 355, 360, 384, 426, 432, 480, 512, 540, 568, 576, 639, 640, 710, 720, 768, 852, 864, 960, 1024, 1065, 1080, 1136, 1152, 1278, 1280, 1420, 1440, 1536, 1704, 1728, 1917, 1920, 2048, 2130, 2160, 2272, 2304, 2556, 2560, 2840, 2880, 3072, 3195, 3408, 3456, 3834, 3840, 4096, 4260, 4320, 4544, 4608, 5112, 5120, 5680, 5760, 6144, 6390, 6816, 6912, 7668, 7680, 8192, 8520, 8640, 9088, 9216, 9585, 10224, 10240, 11360, 11520, 12288, 12780, 13632, 13824, 15336, 15360, 17040, 17280, 18176, 18432, 19170, 20448, 20480, 22720, 23040, 24576, 25560, 27264, 27648, 30672, 30720, 34080, 34560, 36352, 36864, 38340, 40896, 40960, 45440, 46080, 51120, 54528, 55296, 61344, 61440, 68160, 69120, 72704, 73728, 76680, 81792, 90880, 92160, 102240, 109056, 110592, 122688, 122880, 136320, 138240, 145408, 153360, 163584, 181760, 184320, 204480, 218112, 221184, 245376, 272640, 276480, 290816, 306720, 327168, 363520, 368640, 408960, 436224, 490752, 545280, 552960, 581632, 613440, 654336, 727040, 817920, 872448, 981504, 1090560, 1105920, 1226880, 1308672, 1454080, 1635840, 1744896, 1963008, 2181120, 2453760, 2617344, 2908160, 3271680, 3926016, 4362240, 4907520, 5234688, 6543360, 7852032, 8724480, 9815040, 13086720, 15704064, 19630080, 26173440, 39260160, 78520320]

約数ペア:

[(1, 78520320), (2, 39260160), (3, 26173440), (4, 19630080), (5, 15704064), (6, 13086720), (8, 9815040), (9, 8724480), (10, 7852032), (12, 6543360), (15, 5234688), (16, 4907520), (18, 4362240), (20, 3926016), (24, 3271680), (27, 2908160), (30, 2617344), (32, 2453760), (36, 2181120), (40, 1963008), (45, 1744896), (48, 1635840), (54, 1454080), (60, 1308672), (64, 1226880), (71, 1105920), (72, 1090560), (80, 981504), (90, 872448), (96, 817920), (108, 727040), (120, 654336), (128, 613440), (135, 581632), (142, 552960), (144, 545280), (160, 490752), (180, 436224), (192, 408960), (213, 368640), (216, 363520), (240, 327168), (256, 306720), (270, 290816), (284, 276480), (288, 272640), (320, 245376), (355, 221184), (360, 218112), (384, 204480), (426, 184320), (432, 181760), (480, 163584), (512, 153360), (540, 145408), (568, 138240), (576, 136320), (639, 122880), (640, 122688), (710, 110592), (720, 109056), (768, 102240), (852, 92160), (864, 90880), (960, 81792), (1024, 76680), (1065, 73728), (1080, 72704), (1136, 69120), (1152, 68160), (1278, 61440), (1280, 61344), (1420, 55296), (1440, 54528), (1536, 51120), (1704, 46080), (1728, 45440), (1917, 40960), (1920, 40896), (2048, 38340), (2130, 36864), (2160, 36352), (2272, 34560), (2304, 34080), (2556, 30720), (2560, 30672), (2840, 27648), (2880, 27264), (3072, 25560), (3195, 24576), (3408, 23040), (3456, 22720), (3834, 20480), (3840, 20448), (4096, 19170), (4260, 18432), (4320, 18176), (4544, 17280), (4608, 17040), (5112, 15360), (5120, 15336), (5680, 13824), (5760, 13632), (6144, 12780), (6390, 12288), (6816, 11520), (6912, 11360), (7668, 10240), (7680, 10224), (8192, 9585), (8520, 9216), (8640, 9088)]