221566240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{479}}^1$

素因数の和:567

約数の個数: 144

約数和(自身を含む): 620524800

約数和(自身を除く): 398958560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 59, 70, 80, 98, 112, 118, 140, 160, 196, 224, 236, 245, 280, 295, 392, 413, 472, 479, 490, 560, 590, 784, 826, 944, 958, 980, 1120, 1180, 1568, 1652, 1888, 1916, 1960, 2065, 2360, 2395, 2891, 3304, 3353, 3832, 3920, 4130, 4720, 4790, 5782, 6608, 6706, 7664, 7840, 8260, 9440, 9580, 11564, 13216, 13412, 14455, 15328, 16520, 16765, 19160, 23128, 23471, 26824, 28261, 28910, 33040, 33530, 38320, 46256, 46942, 53648, 56522, 57820, 66080, 67060, 76640, 92512, 93884, 107296, 113044, 115640, 117355, 134120, 141305, 187768, 197827, 226088, 231280, 234710, 268240, 282610, 375536, 395654, 452176, 462560, 469420, 536480, 565220, 751072, 791308, 904352, 938840, 989135, 1130440, 1384789, 1582616, 1877680, 1978270, 2260880, 2769578, 3165232, 3755360, 3956540, 4521760, 5539156, 6330464, 6923945, 7913080, 11078312, 13847890, 15826160, 22156624, 27695780, 31652320, 44313248, 55391560, 110783120, 221566240]

約数ペア:

[(1, 221566240), (2, 110783120), (4, 55391560), (5, 44313248), (7, 31652320), (8, 27695780), (10, 22156624), (14, 15826160), (16, 13847890), (20, 11078312), (28, 7913080), (32, 6923945), (35, 6330464), (40, 5539156), (49, 4521760), (56, 3956540), (59, 3755360), (70, 3165232), (80, 2769578), (98, 2260880), (112, 1978270), (118, 1877680), (140, 1582616), (160, 1384789), (196, 1130440), (224, 989135), (236, 938840), (245, 904352), (280, 791308), (295, 751072), (392, 565220), (413, 536480), (472, 469420), (479, 462560), (490, 452176), (560, 395654), (590, 375536), (784, 282610), (826, 268240), (944, 234710), (958, 231280), (980, 226088), (1120, 197827), (1180, 187768), (1568, 141305), (1652, 134120), (1888, 117355), (1916, 115640), (1960, 113044), (2065, 107296), (2360, 93884), (2395, 92512), (2891, 76640), (3304, 67060), (3353, 66080), (3832, 57820), (3920, 56522), (4130, 53648), (4720, 46942), (4790, 46256), (5782, 38320), (6608, 33530), (6706, 33040), (7664, 28910), (7840, 28261), (8260, 26824), (9440, 23471), (9580, 23128), (11564, 19160), (13216, 16765), (13412, 16520), (14455, 15328)]