138310040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{173}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 360806400

約数和(自身を除く): 222496360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 79, 88, 92, 110, 115, 158, 173, 184, 220, 230, 253, 316, 346, 395, 440, 460, 506, 632, 692, 790, 865, 869, 920, 1012, 1265, 1384, 1580, 1730, 1738, 1817, 1903, 2024, 2530, 3160, 3460, 3476, 3634, 3806, 3979, 4345, 5060, 6920, 6952, 7268, 7612, 7958, 8690, 9085, 9515, 10120, 13667, 14536, 15224, 15916, 17380, 18170, 19030, 19895, 19987, 27334, 31832, 34760, 36340, 38060, 39790, 39974, 43769, 54668, 68335, 72680, 76120, 79580, 79948, 87538, 99935, 109336, 136670, 150337, 159160, 159896, 175076, 199870, 218845, 273340, 300674, 314341, 350152, 399740, 437690, 546680, 601348, 628682, 751685, 799480, 875380, 1202696, 1257364, 1503370, 1571705, 1750760, 2514728, 3006740, 3143410, 3457751, 6013480, 6286820, 6915502, 12573640, 13831004, 17288755, 27662008, 34577510, 69155020, 138310040]

約数ペア:

[(1, 138310040), (2, 69155020), (4, 34577510), (5, 27662008), (8, 17288755), (10, 13831004), (11, 12573640), (20, 6915502), (22, 6286820), (23, 6013480), (40, 3457751), (44, 3143410), (46, 3006740), (55, 2514728), (79, 1750760), (88, 1571705), (92, 1503370), (110, 1257364), (115, 1202696), (158, 875380), (173, 799480), (184, 751685), (220, 628682), (230, 601348), (253, 546680), (316, 437690), (346, 399740), (395, 350152), (440, 314341), (460, 300674), (506, 273340), (632, 218845), (692, 199870), (790, 175076), (865, 159896), (869, 159160), (920, 150337), (1012, 136670), (1265, 109336), (1384, 99935), (1580, 87538), (1730, 79948), (1738, 79580), (1817, 76120), (1903, 72680), (2024, 68335), (2530, 54668), (3160, 43769), (3460, 39974), (3476, 39790), (3634, 38060), (3806, 36340), (3979, 34760), (4345, 31832), (5060, 27334), (6920, 19987), (6952, 19895), (7268, 19030), (7612, 18170), (7958, 17380), (8690, 15916), (9085, 15224), (9515, 14536), (10120, 13667)]