20109008880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2879}}^1$

素因数の和:3096

約数の個数: 240

約数和(自身を含む): 68942016000

約数和(自身を除く): 48833007120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 89, 90, 109, 120, 144, 178, 180, 218, 240, 267, 327, 356, 360, 436, 445, 534, 545, 654, 712, 720, 801, 872, 890, 981, 1068, 1090, 1308, 1335, 1424, 1602, 1635, 1744, 1780, 1962, 2136, 2180, 2616, 2670, 2879, 3204, 3270, 3560, 3924, 4005, 4272, 4360, 4905, 5232, 5340, 5758, 6408, 6540, 7120, 7848, 8010, 8637, 8720, 9701, 9810, 10680, 11516, 12816, 13080, 14395, 15696, 16020, 17274, 19402, 19620, 21360, 23032, 25911, 26160, 28790, 29103, 32040, 34548, 38804, 39240, 43185, 46064, 48505, 51822, 57580, 58206, 64080, 69096, 77608, 78480, 86370, 87309, 97010, 103644, 115160, 116412, 129555, 138192, 145515, 155216, 172740, 174618, 194020, 207288, 230320, 232824, 256231, 259110, 291030, 313811, 345480, 349236, 388040, 414576, 436545, 465648, 512462, 518220, 582060, 627622, 690960, 698472, 768693, 776080, 873090, 941433, 1024924, 1036440, 1164120, 1255244, 1281155, 1396944, 1537386, 1569055, 1746180, 1882866, 2049848, 2072880, 2306079, 2328240, 2510488, 2562310, 2824299, 3074772, 3138110, 3492360, 3765732, 3843465, 4099696, 4612158, 4707165, 5020976, 5124620, 5648598, 6149544, 6276220, 6984720, 7531464, 7686930, 9224316, 9414330, 10249240, 11297196, 11530395, 12299088, 12552440, 14121495, 15062928, 15373860, 18448632, 18828660, 20498480, 22594392, 23060790, 25104880, 27929179, 28242990, 30747720, 36897264, 37657320, 45188784, 46121580, 55858358, 56485980, 61495440, 75314640, 83787537, 92243160, 111716716, 112971960, 139645895, 167575074, 184486320, 223433432, 225943920, 251362611, 279291790, 335150148, 418937685, 446866864, 502725222, 558583580, 670300296, 837875370, 1005450444, 1117167160, 1256813055, 1340600592, 1675750740, 2010900888, 2234334320, 2513626110, 3351501480, 4021801776, 5027252220, 6703002960, 10054504440, 20109008880]

約数ペア:

[(1, 20109008880), (2, 10054504440), (3, 6703002960), (4, 5027252220), (5, 4021801776), (6, 3351501480), (8, 2513626110), (9, 2234334320), (10, 2010900888), (12, 1675750740), (15, 1340600592), (16, 1256813055), (18, 1117167160), (20, 1005450444), (24, 837875370), (30, 670300296), (36, 558583580), (40, 502725222), (45, 446866864), (48, 418937685), (60, 335150148), (72, 279291790), (80, 251362611), (89, 225943920), (90, 223433432), (109, 184486320), (120, 167575074), (144, 139645895), (178, 112971960), (180, 111716716), (218, 92243160), (240, 83787537), (267, 75314640), (327, 61495440), (356, 56485980), (360, 55858358), (436, 46121580), (445, 45188784), (534, 37657320), (545, 36897264), (654, 30747720), (712, 28242990), (720, 27929179), (801, 25104880), (872, 23060790), (890, 22594392), (981, 20498480), (1068, 18828660), (1090, 18448632), (1308, 15373860), (1335, 15062928), (1424, 14121495), (1602, 12552440), (1635, 12299088), (1744, 11530395), (1780, 11297196), (1962, 10249240), (2136, 9414330), (2180, 9224316), (2616, 7686930), (2670, 7531464), (2879, 6984720), (3204, 6276220), (3270, 6149544), (3560, 5648598), (3924, 5124620), (4005, 5020976), (4272, 4707165), (4360, 4612158), (4905, 4099696), (5232, 3843465), (5340, 3765732), (5758, 3492360), (6408, 3138110), (6540, 3074772), (7120, 2824299), (7848, 2562310), (8010, 2510488), (8637, 2328240), (8720, 2306079), (9701, 2072880), (9810, 2049848), (10680, 1882866), (11516, 1746180), (12816, 1569055), (13080, 1537386), (14395, 1396944), (15696, 1281155), (16020, 1255244), (17274, 1164120), (19402, 1036440), (19620, 1024924), (21360, 941433), (23032, 873090), (25911, 776080), (26160, 768693), (28790, 698472), (29103, 690960), (32040, 627622), (34548, 582060), (38804, 518220), (39240, 512462), (43185, 465648), (46064, 436545), (48505, 414576), (51822, 388040), (57580, 349236), (58206, 345480), (64080, 313811), (69096, 291030), (77608, 259110), (78480, 256231), (86370, 232824), (87309, 230320), (97010, 207288), (103644, 194020), (115160, 174618), (116412, 172740), (129555, 155216), (138192, 145515)]