31193723920

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:1017

約数の個数: 160

約数和(自身を含む): 75688905600

約数和(自身を除く): 44495181680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 89, 139, 172, 178, 215, 278, 344, 356, 430, 445, 556, 688, 695, 712, 733, 860, 890, 1112, 1390, 1424, 1466, 1720, 1780, 2224, 2780, 2932, 3440, 3560, 3665, 3827, 5560, 5864, 5977, 7120, 7330, 7654, 11120, 11728, 11954, 12371, 14660, 15308, 19135, 23908, 24742, 29320, 29885, 30616, 31519, 38270, 47816, 49484, 58640, 59770, 61232, 61855, 63038, 65237, 76540, 95632, 98968, 101887, 119540, 123710, 126076, 130474, 153080, 157595, 197936, 203774, 239080, 247420, 252152, 260948, 306160, 315190, 326185, 407548, 478160, 494840, 504304, 509435, 521896, 531953, 630380, 652370, 815096, 989680, 1018870, 1043792, 1063906, 1260760, 1304740, 1630192, 2037740, 2127812, 2521520, 2609480, 2659765, 2805191, 4075480, 4255624, 4381141, 5218960, 5319530, 5610382, 8150960, 8511248, 8762282, 9067943, 10639060, 11220764, 14025955, 17524564, 18135886, 21278120, 21905705, 22441528, 28051910, 35049128, 36271772, 42556240, 43811410, 44883056, 45339715, 56103820, 70098256, 72543544, 87622820, 90679430, 112207640, 145087088, 175245640, 181358860, 224415280, 350491280, 362717720, 389921549, 725435440, 779843098, 1559686196, 1949607745, 3119372392, 3899215490, 6238744784, 7798430980, 15596861960, 31193723920]

約数ペア:

[(1, 31193723920), (2, 15596861960), (4, 7798430980), (5, 6238744784), (8, 3899215490), (10, 3119372392), (16, 1949607745), (20, 1559686196), (40, 779843098), (43, 725435440), (80, 389921549), (86, 362717720), (89, 350491280), (139, 224415280), (172, 181358860), (178, 175245640), (215, 145087088), (278, 112207640), (344, 90679430), (356, 87622820), (430, 72543544), (445, 70098256), (556, 56103820), (688, 45339715), (695, 44883056), (712, 43811410), (733, 42556240), (860, 36271772), (890, 35049128), (1112, 28051910), (1390, 22441528), (1424, 21905705), (1466, 21278120), (1720, 18135886), (1780, 17524564), (2224, 14025955), (2780, 11220764), (2932, 10639060), (3440, 9067943), (3560, 8762282), (3665, 8511248), (3827, 8150960), (5560, 5610382), (5864, 5319530), (5977, 5218960), (7120, 4381141), (7330, 4255624), (7654, 4075480), (11120, 2805191), (11728, 2659765), (11954, 2609480), (12371, 2521520), (14660, 2127812), (15308, 2037740), (19135, 1630192), (23908, 1304740), (24742, 1260760), (29320, 1063906), (29885, 1043792), (30616, 1018870), (31519, 989680), (38270, 815096), (47816, 652370), (49484, 630380), (58640, 531953), (59770, 521896), (61232, 509435), (61855, 504304), (63038, 494840), (65237, 478160), (76540, 407548), (95632, 326185), (98968, 315190), (101887, 306160), (119540, 260948), (123710, 252152), (126076, 247420), (130474, 239080), (153080, 203774), (157595, 197936)]