84440720

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1697

約数の個数: 120

約数和(自身を含む): 246093624

約数和(自身を除く): 161652904

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 182, 196, 208, 245, 260, 280, 364, 392, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1274, 1456, 1657, 1820, 1960, 2548, 3185, 3314, 3640, 3920, 5096, 6370, 6628, 7280, 8285, 10192, 11599, 12740, 13256, 16570, 21541, 23198, 25480, 26512, 33140, 43082, 46396, 50960, 57995, 66280, 81193, 86164, 92792, 107705, 115990, 132560, 150787, 162386, 172328, 185584, 215410, 231980, 301574, 324772, 344656, 405965, 430820, 463960, 603148, 649544, 753935, 811930, 861640, 927920, 1055509, 1206296, 1299088, 1507870, 1623860, 1723280, 2111018, 2412592, 3015740, 3247720, 4222036, 5277545, 6031480, 6495440, 8444072, 10555090, 12062960, 16888144, 21110180, 42220360, 84440720]

約数ペア:

[(1, 84440720), (2, 42220360), (4, 21110180), (5, 16888144), (7, 12062960), (8, 10555090), (10, 8444072), (13, 6495440), (14, 6031480), (16, 5277545), (20, 4222036), (26, 3247720), (28, 3015740), (35, 2412592), (40, 2111018), (49, 1723280), (52, 1623860), (56, 1507870), (65, 1299088), (70, 1206296), (80, 1055509), (91, 927920), (98, 861640), (104, 811930), (112, 753935), (130, 649544), (140, 603148), (182, 463960), (196, 430820), (208, 405965), (245, 344656), (260, 324772), (280, 301574), (364, 231980), (392, 215410), (455, 185584), (490, 172328), (520, 162386), (560, 150787), (637, 132560), (728, 115990), (784, 107705), (910, 92792), (980, 86164), (1040, 81193), (1274, 66280), (1456, 57995), (1657, 50960), (1820, 46396), (1960, 43082), (2548, 33140), (3185, 26512), (3314, 25480), (3640, 23198), (3920, 21541), (5096, 16570), (6370, 13256), (6628, 12740), (7280, 11599), (8285, 10192)]