320985280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1861}}^1$

素因数の和:1903

約数の個数: 168

約数和(自身を含む): 970489296

約数和(自身を除く): 649504016

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 704, 770, 784, 880, 980, 1078, 1120, 1232, 1540, 1568, 1760, 1861, 1960, 2156, 2240, 2464, 2695, 3080, 3136, 3520, 3722, 3920, 4312, 4928, 5390, 6160, 7444, 7840, 8624, 9305, 10780, 12320, 13027, 14888, 15680, 17248, 18610, 20471, 21560, 24640, 26054, 29776, 34496, 37220, 40942, 43120, 52108, 59552, 65135, 74440, 81884, 86240, 91189, 102355, 104216, 119104, 130270, 143297, 148880, 163768, 172480, 182378, 204710, 208432, 260540, 286594, 297760, 327536, 364756, 409420, 416864, 455945, 521080, 573188, 595520, 655072, 716485, 729512, 818840, 833728, 911890, 1003079, 1042160, 1146376, 1310144, 1432970, 1459024, 1637680, 1823780, 2006158, 2084320, 2292752, 2865940, 2918048, 3275360, 3647560, 4012316, 4168640, 4585504, 5015395, 5731880, 5836096, 6550720, 7295120, 8024632, 9171008, 10030790, 11463760, 14590240, 16049264, 20061580, 22927520, 29180480, 32098528, 40123160, 45855040, 64197056, 80246320, 160492640, 320985280]

約数ペア:

[(1, 320985280), (2, 160492640), (4, 80246320), (5, 64197056), (7, 45855040), (8, 40123160), (10, 32098528), (11, 29180480), (14, 22927520), (16, 20061580), (20, 16049264), (22, 14590240), (28, 11463760), (32, 10030790), (35, 9171008), (40, 8024632), (44, 7295120), (49, 6550720), (55, 5836096), (56, 5731880), (64, 5015395), (70, 4585504), (77, 4168640), (80, 4012316), (88, 3647560), (98, 3275360), (110, 2918048), (112, 2865940), (140, 2292752), (154, 2084320), (160, 2006158), (176, 1823780), (196, 1637680), (220, 1459024), (224, 1432970), (245, 1310144), (280, 1146376), (308, 1042160), (320, 1003079), (352, 911890), (385, 833728), (392, 818840), (440, 729512), (448, 716485), (490, 655072), (539, 595520), (560, 573188), (616, 521080), (704, 455945), (770, 416864), (784, 409420), (880, 364756), (980, 327536), (1078, 297760), (1120, 286594), (1232, 260540), (1540, 208432), (1568, 204710), (1760, 182378), (1861, 172480), (1960, 163768), (2156, 148880), (2240, 143297), (2464, 130270), (2695, 119104), (3080, 104216), (3136, 102355), (3520, 91189), (3722, 86240), (3920, 81884), (4312, 74440), (4928, 65135), (5390, 59552), (6160, 52108), (7444, 43120), (7840, 40942), (8624, 37220), (9305, 34496), (10780, 29776), (12320, 26054), (13027, 24640), (14888, 21560), (15680, 20471), (17248, 18610)]