164937920

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:255

約数の個数: 168

約数和(自身を含む): 466654896

約数和(自身を除く): 301716976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 67, 70, 80, 98, 112, 134, 140, 157, 160, 196, 224, 245, 268, 280, 314, 320, 335, 392, 448, 469, 490, 536, 560, 628, 670, 784, 785, 938, 980, 1072, 1099, 1120, 1256, 1340, 1568, 1570, 1876, 1960, 2144, 2198, 2240, 2345, 2512, 2680, 3136, 3140, 3283, 3752, 3920, 4288, 4396, 4690, 5024, 5360, 5495, 6280, 6566, 7504, 7693, 7840, 8792, 9380, 10048, 10519, 10720, 10990, 12560, 13132, 15008, 15386, 15680, 16415, 17584, 18760, 21038, 21440, 21980, 25120, 26264, 30016, 30772, 32830, 35168, 37520, 38465, 42076, 43960, 50240, 52528, 52595, 61544, 65660, 70336, 73633, 75040, 76930, 84152, 87920, 105056, 105190, 123088, 131320, 147266, 150080, 153860, 168304, 175840, 210112, 210380, 246176, 262640, 294532, 307720, 336608, 351680, 368165, 420760, 492352, 515431, 525280, 589064, 615440, 673216, 736330, 841520, 1030862, 1050560, 1178128, 1230880, 1472660, 1683040, 2061724, 2356256, 2461760, 2577155, 2945320, 3366080, 4123448, 4712512, 5154310, 5890640, 8246896, 10308620, 11781280, 16493792, 20617240, 23562560, 32987584, 41234480, 82468960, 164937920]

約数ペア:

[(1, 164937920), (2, 82468960), (4, 41234480), (5, 32987584), (7, 23562560), (8, 20617240), (10, 16493792), (14, 11781280), (16, 10308620), (20, 8246896), (28, 5890640), (32, 5154310), (35, 4712512), (40, 4123448), (49, 3366080), (56, 2945320), (64, 2577155), (67, 2461760), (70, 2356256), (80, 2061724), (98, 1683040), (112, 1472660), (134, 1230880), (140, 1178128), (157, 1050560), (160, 1030862), (196, 841520), (224, 736330), (245, 673216), (268, 615440), (280, 589064), (314, 525280), (320, 515431), (335, 492352), (392, 420760), (448, 368165), (469, 351680), (490, 336608), (536, 307720), (560, 294532), (628, 262640), (670, 246176), (784, 210380), (785, 210112), (938, 175840), (980, 168304), (1072, 153860), (1099, 150080), (1120, 147266), (1256, 131320), (1340, 123088), (1568, 105190), (1570, 105056), (1876, 87920), (1960, 84152), (2144, 76930), (2198, 75040), (2240, 73633), (2345, 70336), (2512, 65660), (2680, 61544), (3136, 52595), (3140, 52528), (3283, 50240), (3752, 43960), (3920, 42076), (4288, 38465), (4396, 37520), (4690, 35168), (5024, 32830), (5360, 30772), (5495, 30016), (6280, 26264), (6566, 25120), (7504, 21980), (7693, 21440), (7840, 21038), (8792, 18760), (9380, 17584), (10048, 16415), (10519, 15680), (10720, 15386), (10990, 15008), (12560, 13132)]