78070720

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1$

素因数の和:427

約数の個数: 168

約数和(自身を含む): 233501184

約数和(自身を除く): 155430464

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 64, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 320, 364, 383, 392, 416, 448, 455, 490, 520, 560, 637, 728, 766, 784, 832, 910, 980, 1040, 1120, 1274, 1456, 1532, 1568, 1820, 1915, 1960, 2080, 2240, 2548, 2681, 2912, 3064, 3136, 3185, 3640, 3830, 3920, 4160, 4979, 5096, 5362, 5824, 6128, 6370, 7280, 7660, 7840, 9958, 10192, 10724, 12256, 12740, 13405, 14560, 15320, 15680, 18767, 19916, 20384, 21448, 24512, 24895, 25480, 26810, 29120, 30640, 34853, 37534, 39832, 40768, 42896, 49790, 50960, 53620, 61280, 69706, 75068, 79664, 85792, 93835, 99580, 101920, 107240, 122560, 139412, 150136, 159328, 171584, 174265, 187670, 199160, 203840, 214480, 243971, 278824, 300272, 318656, 348530, 375340, 398320, 428960, 487942, 557648, 600544, 697060, 750680, 796640, 857920, 975884, 1115296, 1201088, 1219855, 1394120, 1501360, 1593280, 1951768, 2230592, 2439710, 2788240, 3002720, 3903536, 4879420, 5576480, 6005440, 7807072, 9758840, 11152960, 15614144, 19517680, 39035360, 78070720]

約数ペア:

[(1, 78070720), (2, 39035360), (4, 19517680), (5, 15614144), (7, 11152960), (8, 9758840), (10, 7807072), (13, 6005440), (14, 5576480), (16, 4879420), (20, 3903536), (26, 3002720), (28, 2788240), (32, 2439710), (35, 2230592), (40, 1951768), (49, 1593280), (52, 1501360), (56, 1394120), (64, 1219855), (65, 1201088), (70, 1115296), (80, 975884), (91, 857920), (98, 796640), (104, 750680), (112, 697060), (130, 600544), (140, 557648), (160, 487942), (182, 428960), (196, 398320), (208, 375340), (224, 348530), (245, 318656), (260, 300272), (280, 278824), (320, 243971), (364, 214480), (383, 203840), (392, 199160), (416, 187670), (448, 174265), (455, 171584), (490, 159328), (520, 150136), (560, 139412), (637, 122560), (728, 107240), (766, 101920), (784, 99580), (832, 93835), (910, 85792), (980, 79664), (1040, 75068), (1120, 69706), (1274, 61280), (1456, 53620), (1532, 50960), (1568, 49790), (1820, 42896), (1915, 40768), (1960, 39832), (2080, 37534), (2240, 34853), (2548, 30640), (2681, 29120), (2912, 26810), (3064, 25480), (3136, 24895), (3185, 24512), (3640, 21448), (3830, 20384), (3920, 19916), (4160, 18767), (4979, 15680), (5096, 15320), (5362, 14560), (5824, 13405), (6128, 12740), (6370, 12256), (7280, 10724), (7660, 10192), (7840, 9958)]