639029121920

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{31151}}^1$

素因数の和:31437

約数の個数: 256

約数和(自身を含む): 1845494323200

約数和(自身を除く): 1206465201280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 241, 266, 280, 304, 320, 380, 448, 482, 532, 560, 608, 640, 665, 760, 896, 964, 1064, 1120, 1205, 1216, 1330, 1520, 1687, 1928, 2128, 2240, 2410, 2432, 2660, 3040, 3374, 3856, 4256, 4480, 4579, 4820, 5320, 6080, 6748, 7712, 8435, 8512, 9158, 9640, 10640, 12160, 13496, 15424, 16870, 17024, 18316, 19280, 21280, 22895, 26992, 30848, 31151, 32053, 33740, 36632, 38560, 42560, 45790, 53984, 62302, 64106, 67480, 73264, 77120, 85120, 91580, 107968, 124604, 128212, 134960, 146528, 154240, 155755, 160265, 183160, 215936, 218057, 249208, 256424, 269920, 293056, 311510, 320530, 366320, 436114, 498416, 512848, 539840, 586112, 591869, 623020, 641060, 732640, 872228, 996832, 1025696, 1079680, 1090285, 1183738, 1246040, 1282120, 1465280, 1744456, 1993664, 2051392, 2180570, 2367476, 2492080, 2564240, 2930560, 2959345, 3488912, 3987328, 4102784, 4143083, 4361140, 4734952, 4984160, 5128480, 5918690, 6977824, 7507391, 8286166, 8722280, 9469904, 9968320, 10256960, 11837380, 13955648, 15014782, 16572332, 17444560, 18939808, 19936640, 20513920, 20715415, 23674760, 27911296, 30029564, 33144664, 34889120, 37536955, 37879616, 41430830, 47349520, 52551737, 60059128, 66289328, 69778240, 75073910, 75759232, 82861660, 94699040, 105103474, 120118256, 132578656, 139556480, 142640429, 150147820, 165723320, 189398080, 210206948, 240236512, 262758685, 265157312, 285280858, 300295640, 331446640, 378796160, 420413896, 480473024, 525517370, 530314624, 570561716, 600591280, 662893280, 713202145, 840827792, 960946048, 998483003, 1051034740, 1141123432, 1201182560, 1325786560, 1426404290, 1681655584, 1996966006, 2102069480, 2282246864, 2402365120, 2651573120, 2852808580, 3363311168, 3993932012, 4204138960, 4564493728, 4804730240, 4992415015, 5705617160, 6726622336, 7987864024, 8408277920, 9128987456, 9984830030, 11411234320, 15975728048, 16816555840, 18257974912, 19969660060, 22822468640, 31951456096, 33633111680, 39939320120, 45644937280, 63902912192, 79878640240, 91289874560, 127805824384, 159757280480, 319514560960, 639029121920]

約数ペア:

[(1, 639029121920), (2, 319514560960), (4, 159757280480), (5, 127805824384), (7, 91289874560), (8, 79878640240), (10, 63902912192), (14, 45644937280), (16, 39939320120), (19, 33633111680), (20, 31951456096), (28, 22822468640), (32, 19969660060), (35, 18257974912), (38, 16816555840), (40, 15975728048), (56, 11411234320), (64, 9984830030), (70, 9128987456), (76, 8408277920), (80, 7987864024), (95, 6726622336), (112, 5705617160), (128, 4992415015), (133, 4804730240), (140, 4564493728), (152, 4204138960), (160, 3993932012), (190, 3363311168), (224, 2852808580), (241, 2651573120), (266, 2402365120), (280, 2282246864), (304, 2102069480), (320, 1996966006), (380, 1681655584), (448, 1426404290), (482, 1325786560), (532, 1201182560), (560, 1141123432), (608, 1051034740), (640, 998483003), (665, 960946048), (760, 840827792), (896, 713202145), (964, 662893280), (1064, 600591280), (1120, 570561716), (1205, 530314624), (1216, 525517370), (1330, 480473024), (1520, 420413896), (1687, 378796160), (1928, 331446640), (2128, 300295640), (2240, 285280858), (2410, 265157312), (2432, 262758685), (2660, 240236512), (3040, 210206948), (3374, 189398080), (3856, 165723320), (4256, 150147820), (4480, 142640429), (4579, 139556480), (4820, 132578656), (5320, 120118256), (6080, 105103474), (6748, 94699040), (7712, 82861660), (8435, 75759232), (8512, 75073910), (9158, 69778240), (9640, 66289328), (10640, 60059128), (12160, 52551737), (13496, 47349520), (15424, 41430830), (16870, 37879616), (17024, 37536955), (18316, 34889120), (19280, 33144664), (21280, 30029564), (22895, 27911296), (26992, 23674760), (30848, 20715415), (31151, 20513920), (32053, 19936640), (33740, 18939808), (36632, 17444560), (38560, 16572332), (42560, 15014782), (45790, 13955648), (53984, 11837380), (62302, 10256960), (64106, 9968320), (67480, 9469904), (73264, 8722280), (77120, 8286166), (85120, 7507391), (91580, 6977824), (107968, 5918690), (124604, 5128480), (128212, 4984160), (134960, 4734952), (146528, 4361140), (154240, 4143083), (155755, 4102784), (160265, 3987328), (183160, 3488912), (215936, 2959345), (218057, 2930560), (249208, 2564240), (256424, 2492080), (269920, 2367476), (293056, 2180570), (311510, 2051392), (320530, 1993664), (366320, 1744456), (436114, 1465280), (498416, 1282120), (512848, 1246040), (539840, 1183738), (586112, 1090285), (591869, 1079680), (623020, 1025696), (641060, 996832), (732640, 872228)]