120807680

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 336524160

約数和(自身を除く): 215716480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 97, 112, 128, 139, 140, 160, 194, 224, 256, 278, 280, 320, 388, 448, 485, 556, 560, 640, 679, 695, 776, 896, 970, 973, 1112, 1120, 1280, 1358, 1390, 1552, 1792, 1940, 1946, 2224, 2240, 2716, 2780, 3104, 3395, 3880, 3892, 4448, 4480, 4865, 5432, 5560, 6208, 6790, 7760, 7784, 8896, 8960, 9730, 10864, 11120, 12416, 13483, 13580, 15520, 15568, 17792, 19460, 21728, 22240, 24832, 26966, 27160, 31040, 31136, 35584, 38920, 43456, 44480, 53932, 54320, 62080, 62272, 67415, 77840, 86912, 88960, 94381, 107864, 108640, 124160, 124544, 134830, 155680, 173824, 177920, 188762, 215728, 217280, 249088, 269660, 311360, 377524, 431456, 434560, 471905, 539320, 622720, 755048, 862912, 869120, 943810, 1078640, 1245440, 1510096, 1725824, 1887620, 2157280, 3020192, 3451648, 3775240, 4314560, 6040384, 7550480, 8629120, 12080768, 15100960, 17258240, 24161536, 30201920, 60403840, 120807680]

約数ペア:

[(1, 120807680), (2, 60403840), (4, 30201920), (5, 24161536), (7, 17258240), (8, 15100960), (10, 12080768), (14, 8629120), (16, 7550480), (20, 6040384), (28, 4314560), (32, 3775240), (35, 3451648), (40, 3020192), (56, 2157280), (64, 1887620), (70, 1725824), (80, 1510096), (97, 1245440), (112, 1078640), (128, 943810), (139, 869120), (140, 862912), (160, 755048), (194, 622720), (224, 539320), (256, 471905), (278, 434560), (280, 431456), (320, 377524), (388, 311360), (448, 269660), (485, 249088), (556, 217280), (560, 215728), (640, 188762), (679, 177920), (695, 173824), (776, 155680), (896, 134830), (970, 124544), (973, 124160), (1112, 108640), (1120, 107864), (1280, 94381), (1358, 88960), (1390, 86912), (1552, 77840), (1792, 67415), (1940, 62272), (1946, 62080), (2224, 54320), (2240, 53932), (2716, 44480), (2780, 43456), (3104, 38920), (3395, 35584), (3880, 31136), (3892, 31040), (4448, 27160), (4480, 26966), (4865, 24832), (5432, 22240), (5560, 21728), (6208, 19460), (6790, 17792), (7760, 15568), (7784, 15520), (8896, 13580), (8960, 13483), (9730, 12416), (10864, 11120)]