20111256880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{499}}^1$

素因数の和:820

約数の個数: 240

約数和(自身を含む): 55550016000

約数和(自身を除く): 35438759120

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 169, 176, 208, 220, 260, 271, 286, 338, 440, 499, 520, 542, 572, 676, 715, 845, 880, 998, 1040, 1084, 1144, 1352, 1355, 1430, 1690, 1859, 1996, 2168, 2288, 2495, 2704, 2710, 2860, 2981, 3380, 3523, 3718, 3992, 4336, 4990, 5420, 5489, 5720, 5962, 6487, 6760, 7046, 7436, 7984, 9295, 9980, 10840, 10978, 11440, 11924, 12974, 13520, 14092, 14872, 14905, 17615, 18590, 19960, 21680, 21956, 23848, 25948, 27445, 28184, 29744, 29810, 32435, 35230, 37180, 38753, 39920, 43912, 45799, 47696, 51896, 54890, 56368, 59620, 64870, 70460, 71357, 74360, 77506, 84331, 87824, 91598, 103792, 109780, 119240, 129740, 135229, 140920, 142714, 148720, 155012, 168662, 183196, 193765, 219560, 228995, 238480, 259480, 270458, 281840, 285428, 310024, 337324, 356785, 366392, 387530, 421655, 439120, 457990, 503789, 518960, 540916, 570856, 620048, 674648, 676145, 713570, 732784, 775060, 843310, 915980, 927641, 1007578, 1081832, 1141712, 1349296, 1352290, 1427140, 1487519, 1550120, 1686620, 1757977, 1831960, 1855282, 2015156, 2163664, 2518945, 2704580, 2854280, 2975038, 3100240, 3373240, 3515954, 3663920, 3710564, 4030312, 4638205, 5037890, 5409160, 5708560, 5950076, 6746480, 7031908, 7421128, 7437595, 8060624, 8789885, 9276410, 10075780, 10818320, 11900152, 14063816, 14842256, 14875190, 17579770, 18552820, 19337747, 20151560, 22853701, 23800304, 28127632, 29750380, 35159540, 37105640, 38675494, 40303120, 45707402, 59500760, 70319080, 74211280, 77350988, 91414804, 96688735, 114268505, 119001520, 140638160, 154701976, 182829608, 193377470, 228537010, 251390711, 309403952, 365659216, 386754940, 457074020, 502781422, 773509880, 914148040, 1005562844, 1256953555, 1547019760, 1828296080, 2011125688, 2513907110, 4022251376, 5027814220, 10055628440, 20111256880]

約数ペア:

[(1, 20111256880), (2, 10055628440), (4, 5027814220), (5, 4022251376), (8, 2513907110), (10, 2011125688), (11, 1828296080), (13, 1547019760), (16, 1256953555), (20, 1005562844), (22, 914148040), (26, 773509880), (40, 502781422), (44, 457074020), (52, 386754940), (55, 365659216), (65, 309403952), (80, 251390711), (88, 228537010), (104, 193377470), (110, 182829608), (130, 154701976), (143, 140638160), (169, 119001520), (176, 114268505), (208, 96688735), (220, 91414804), (260, 77350988), (271, 74211280), (286, 70319080), (338, 59500760), (440, 45707402), (499, 40303120), (520, 38675494), (542, 37105640), (572, 35159540), (676, 29750380), (715, 28127632), (845, 23800304), (880, 22853701), (998, 20151560), (1040, 19337747), (1084, 18552820), (1144, 17579770), (1352, 14875190), (1355, 14842256), (1430, 14063816), (1690, 11900152), (1859, 10818320), (1996, 10075780), (2168, 9276410), (2288, 8789885), (2495, 8060624), (2704, 7437595), (2710, 7421128), (2860, 7031908), (2981, 6746480), (3380, 5950076), (3523, 5708560), (3718, 5409160), (3992, 5037890), (4336, 4638205), (4990, 4030312), (5420, 3710564), (5489, 3663920), (5720, 3515954), (5962, 3373240), (6487, 3100240), (6760, 2975038), (7046, 2854280), (7436, 2704580), (7984, 2518945), (9295, 2163664), (9980, 2015156), (10840, 1855282), (10978, 1831960), (11440, 1757977), (11924, 1686620), (12974, 1550120), (13520, 1487519), (14092, 1427140), (14872, 1352290), (14905, 1349296), (17615, 1141712), (18590, 1081832), (19960, 1007578), (21680, 927641), (21956, 915980), (23848, 843310), (25948, 775060), (27445, 732784), (28184, 713570), (29744, 676145), (29810, 674648), (32435, 620048), (35230, 570856), (37180, 540916), (38753, 518960), (39920, 503789), (43912, 457990), (45799, 439120), (47696, 421655), (51896, 387530), (54890, 366392), (56368, 356785), (59620, 337324), (64870, 310024), (70460, 285428), (71357, 281840), (74360, 270458), (77506, 259480), (84331, 238480), (87824, 228995), (91598, 219560), (103792, 193765), (109780, 183196), (119240, 168662), (129740, 155012), (135229, 148720), (140920, 142714)]