1970828720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1061}}^1$

素因数の和:1219

約数の個数: 160

約数和(自身を含む): 5461364736

約数和(自身を除く): 3490536016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 107, 112, 124, 140, 155, 214, 217, 248, 280, 310, 428, 434, 496, 535, 560, 620, 749, 856, 868, 1061, 1070, 1085, 1240, 1498, 1712, 1736, 2122, 2140, 2170, 2480, 2996, 3317, 3472, 3745, 4244, 4280, 4340, 5305, 5992, 6634, 7427, 7490, 8488, 8560, 8680, 10610, 11984, 13268, 14854, 14980, 16585, 16976, 17360, 21220, 23219, 26536, 29708, 29960, 32891, 33170, 37135, 42440, 46438, 53072, 59416, 59920, 65782, 66340, 74270, 84880, 92876, 113527, 116095, 118832, 131564, 132680, 148540, 164455, 185752, 227054, 230237, 232190, 263128, 265360, 297080, 328910, 371504, 454108, 460474, 464380, 526256, 567635, 594160, 657820, 794689, 908216, 920948, 928760, 1135270, 1151185, 1315640, 1589378, 1816432, 1841896, 1857520, 2270540, 2302370, 2631280, 3178756, 3519337, 3683792, 3973445, 4541080, 4604740, 6357512, 7038674, 7946890, 9082160, 9209480, 12715024, 14077348, 15893780, 17596685, 18418960, 24635359, 28154696, 31787560, 35193370, 49270718, 56309392, 63575120, 70386740, 98541436, 123176795, 140773480, 197082872, 246353590, 281546960, 394165744, 492707180, 985414360, 1970828720]

約数ペア:

[(1, 1970828720), (2, 985414360), (4, 492707180), (5, 394165744), (7, 281546960), (8, 246353590), (10, 197082872), (14, 140773480), (16, 123176795), (20, 98541436), (28, 70386740), (31, 63575120), (35, 56309392), (40, 49270718), (56, 35193370), (62, 31787560), (70, 28154696), (80, 24635359), (107, 18418960), (112, 17596685), (124, 15893780), (140, 14077348), (155, 12715024), (214, 9209480), (217, 9082160), (248, 7946890), (280, 7038674), (310, 6357512), (428, 4604740), (434, 4541080), (496, 3973445), (535, 3683792), (560, 3519337), (620, 3178756), (749, 2631280), (856, 2302370), (868, 2270540), (1061, 1857520), (1070, 1841896), (1085, 1816432), (1240, 1589378), (1498, 1315640), (1712, 1151185), (1736, 1135270), (2122, 928760), (2140, 920948), (2170, 908216), (2480, 794689), (2996, 657820), (3317, 594160), (3472, 567635), (3745, 526256), (4244, 464380), (4280, 460474), (4340, 454108), (5305, 371504), (5992, 328910), (6634, 297080), (7427, 265360), (7490, 263128), (8488, 232190), (8560, 230237), (8680, 227054), (10610, 185752), (11984, 164455), (13268, 148540), (14854, 132680), (14980, 131564), (16585, 118832), (16976, 116095), (17360, 113527), (21220, 92876), (23219, 84880), (26536, 74270), (29708, 66340), (29960, 65782), (32891, 59920), (33170, 59416), (37135, 53072), (42440, 46438)]