664007680

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 176

約数和(自身を含む): 1848784896

約数和(自身を除く): 1184777216

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 128, 140, 160, 191, 194, 224, 256, 280, 320, 382, 388, 448, 485, 512, 560, 640, 679, 764, 776, 896, 955, 970, 1024, 1120, 1280, 1337, 1358, 1528, 1552, 1792, 1910, 1940, 2240, 2560, 2674, 2716, 3056, 3104, 3395, 3584, 3820, 3880, 4480, 5120, 5348, 5432, 6112, 6208, 6685, 6790, 7168, 7640, 7760, 8960, 10696, 10864, 12224, 12416, 13370, 13580, 15280, 15520, 17920, 18527, 21392, 21728, 24448, 24832, 26740, 27160, 30560, 31040, 35840, 37054, 42784, 43456, 48896, 49664, 53480, 54320, 61120, 62080, 74108, 85568, 86912, 92635, 97792, 99328, 106960, 108640, 122240, 124160, 129689, 148216, 171136, 173824, 185270, 195584, 213920, 217280, 244480, 248320, 259378, 296432, 342272, 347648, 370540, 427840, 434560, 488960, 496640, 518756, 592864, 648445, 684544, 695296, 741080, 855680, 869120, 977920, 1037512, 1185728, 1296890, 1369088, 1482160, 1711360, 1738240, 2075024, 2371456, 2593780, 2964320, 3422720, 3476480, 4150048, 4742912, 5187560, 5928640, 6845440, 8300096, 9485824, 10375120, 11857280, 16600192, 18971648, 20750240, 23714560, 33200384, 41500480, 47429120, 66400768, 83000960, 94858240, 132801536, 166001920, 332003840, 664007680]

約数ペア:

[(1, 664007680), (2, 332003840), (4, 166001920), (5, 132801536), (7, 94858240), (8, 83000960), (10, 66400768), (14, 47429120), (16, 41500480), (20, 33200384), (28, 23714560), (32, 20750240), (35, 18971648), (40, 16600192), (56, 11857280), (64, 10375120), (70, 9485824), (80, 8300096), (97, 6845440), (112, 5928640), (128, 5187560), (140, 4742912), (160, 4150048), (191, 3476480), (194, 3422720), (224, 2964320), (256, 2593780), (280, 2371456), (320, 2075024), (382, 1738240), (388, 1711360), (448, 1482160), (485, 1369088), (512, 1296890), (560, 1185728), (640, 1037512), (679, 977920), (764, 869120), (776, 855680), (896, 741080), (955, 695296), (970, 684544), (1024, 648445), (1120, 592864), (1280, 518756), (1337, 496640), (1358, 488960), (1528, 434560), (1552, 427840), (1792, 370540), (1910, 347648), (1940, 342272), (2240, 296432), (2560, 259378), (2674, 248320), (2716, 244480), (3056, 217280), (3104, 213920), (3395, 195584), (3584, 185270), (3820, 173824), (3880, 171136), (4480, 148216), (5120, 129689), (5348, 124160), (5432, 122240), (6112, 108640), (6208, 106960), (6685, 99328), (6790, 97792), (7168, 92635), (7640, 86912), (7760, 85568), (8960, 74108), (10696, 62080), (10864, 61120), (12224, 54320), (12416, 53480), (13370, 49664), (13580, 48896), (15280, 43456), (15520, 42784), (17920, 37054), (18527, 35840), (21392, 31040), (21728, 30560), (24448, 27160), (24832, 26740)]