178996720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16823}}^1$

素因数の和:16862

約数の個数: 80

約数和(自身を含む): 500682240

約数和(自身を除く): 321685520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 16823, 33646, 67292, 84115, 117761, 134584, 168230, 235522, 269168, 319637, 336460, 471044, 588805, 639274, 672920, 942088, 1177610, 1278548, 1345840, 1598185, 1884176, 2237459, 2355220, 2557096, 3196370, 4474918, 4710440, 5114192, 6392740, 8949836, 9420880, 11187295, 12785480, 17899672, 22374590, 25570960, 35799344, 44749180, 89498360, 178996720]

約数ペア:

[(1, 178996720), (2, 89498360), (4, 44749180), (5, 35799344), (7, 25570960), (8, 22374590), (10, 17899672), (14, 12785480), (16, 11187295), (19, 9420880), (20, 8949836), (28, 6392740), (35, 5114192), (38, 4710440), (40, 4474918), (56, 3196370), (70, 2557096), (76, 2355220), (80, 2237459), (95, 1884176), (112, 1598185), (133, 1345840), (140, 1278548), (152, 1177610), (190, 942088), (266, 672920), (280, 639274), (304, 588805), (380, 471044), (532, 336460), (560, 319637), (665, 269168), (760, 235522), (1064, 168230), (1330, 134584), (1520, 117761), (2128, 84115), (2660, 67292), (5320, 33646), (10640, 16823)]