20976611280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:686

約数の個数: 320

約数和(自身を含む): 69484886016

約数和(自身を除く): 48508274736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 37, 40, 48, 60, 62, 74, 80, 93, 111, 120, 124, 148, 155, 181, 185, 186, 222, 240, 248, 296, 310, 362, 370, 372, 421, 444, 465, 496, 543, 555, 592, 620, 724, 740, 744, 842, 888, 905, 930, 1086, 1110, 1147, 1240, 1263, 1448, 1480, 1488, 1684, 1776, 1810, 1860, 2105, 2172, 2220, 2294, 2480, 2526, 2715, 2896, 2960, 3368, 3441, 3620, 3720, 4210, 4344, 4440, 4588, 5052, 5430, 5611, 5735, 6315, 6697, 6736, 6882, 7240, 7440, 8420, 8688, 8880, 9176, 10104, 10860, 11222, 11470, 12630, 13051, 13394, 13764, 14480, 15577, 16833, 16840, 17205, 18352, 20091, 20208, 21720, 22444, 22940, 25260, 26102, 26788, 27528, 28055, 31154, 33485, 33666, 33680, 34410, 39153, 40182, 43440, 44888, 45880, 46731, 50520, 52204, 53576, 55056, 56110, 62308, 65255, 66970, 67332, 68820, 76201, 77885, 78306, 80364, 84165, 89776, 91760, 93462, 100455, 101040, 104408, 107152, 112220, 124616, 130510, 133940, 134664, 137640, 152402, 155770, 156612, 160728, 168330, 186924, 195765, 200910, 207607, 208816, 224440, 228603, 233655, 249232, 261020, 267880, 269328, 275280, 304804, 311540, 313224, 321456, 336660, 373848, 381005, 391530, 401820, 415214, 448880, 457206, 467310, 482887, 522040, 535760, 609608, 622821, 623080, 626448, 673320, 747696, 762010, 783060, 803640, 830428, 914412, 934620, 965774, 1038035, 1044080, 1143015, 1219216, 1245642, 1246160, 1346640, 1448661, 1524020, 1566120, 1607280, 1660856, 1828824, 1869240, 1931548, 2076070, 2286030, 2362231, 2414435, 2491284, 2819437, 2897322, 3048040, 3114105, 3132240, 3321712, 3657648, 3738480, 3863096, 4152140, 4572060, 4724462, 4828870, 4982568, 5638874, 5794644, 6096080, 6228210, 7086693, 7243305, 7726192, 8304280, 8458311, 9144120, 9448924, 9657740, 9965136, 11277748, 11589288, 11811155, 12456420, 14097185, 14173386, 14486610, 16608560, 16916622, 18288240, 18897848, 19315480, 22555496, 23178576, 23622310, 24912840, 28194370, 28346772, 28973220, 33833244, 35433465, 37795696, 38630960, 42291555, 45110992, 47244620, 49825680, 56388740, 56693544, 57946440, 67666488, 70866930, 84583110, 87402547, 94489240, 112777480, 113387088, 115892880, 135332976, 141733860, 169166220, 174805094, 188978480, 225554960, 262207641, 283467720, 338332440, 349610188, 437012735, 524415282, 566935440, 676664880, 699220376, 874025470, 1048830564, 1311038205, 1398440752, 1748050940, 2097661128, 2622076410, 3496101880, 4195322256, 5244152820, 6992203760, 10488305640, 20976611280]

約数ペア:

[(1, 20976611280), (2, 10488305640), (3, 6992203760), (4, 5244152820), (5, 4195322256), (6, 3496101880), (8, 2622076410), (10, 2097661128), (12, 1748050940), (15, 1398440752), (16, 1311038205), (20, 1048830564), (24, 874025470), (30, 699220376), (31, 676664880), (37, 566935440), (40, 524415282), (48, 437012735), (60, 349610188), (62, 338332440), (74, 283467720), (80, 262207641), (93, 225554960), (111, 188978480), (120, 174805094), (124, 169166220), (148, 141733860), (155, 135332976), (181, 115892880), (185, 113387088), (186, 112777480), (222, 94489240), (240, 87402547), (248, 84583110), (296, 70866930), (310, 67666488), (362, 57946440), (370, 56693544), (372, 56388740), (421, 49825680), (444, 47244620), (465, 45110992), (496, 42291555), (543, 38630960), (555, 37795696), (592, 35433465), (620, 33833244), (724, 28973220), (740, 28346772), (744, 28194370), (842, 24912840), (888, 23622310), (905, 23178576), (930, 22555496), (1086, 19315480), (1110, 18897848), (1147, 18288240), (1240, 16916622), (1263, 16608560), (1448, 14486610), (1480, 14173386), (1488, 14097185), (1684, 12456420), (1776, 11811155), (1810, 11589288), (1860, 11277748), (2105, 9965136), (2172, 9657740), (2220, 9448924), (2294, 9144120), (2480, 8458311), (2526, 8304280), (2715, 7726192), (2896, 7243305), (2960, 7086693), (3368, 6228210), (3441, 6096080), (3620, 5794644), (3720, 5638874), (4210, 4982568), (4344, 4828870), (4440, 4724462), (4588, 4572060), (5052, 4152140), (5430, 3863096), (5611, 3738480), (5735, 3657648), (6315, 3321712), (6697, 3132240), (6736, 3114105), (6882, 3048040), (7240, 2897322), (7440, 2819437), (8420, 2491284), (8688, 2414435), (8880, 2362231), (9176, 2286030), (10104, 2076070), (10860, 1931548), (11222, 1869240), (11470, 1828824), (12630, 1660856), (13051, 1607280), (13394, 1566120), (13764, 1524020), (14480, 1448661), (15577, 1346640), (16833, 1246160), (16840, 1245642), (17205, 1219216), (18352, 1143015), (20091, 1044080), (20208, 1038035), (21720, 965774), (22444, 934620), (22940, 914412), (25260, 830428), (26102, 803640), (26788, 783060), (27528, 762010), (28055, 747696), (31154, 673320), (33485, 626448), (33666, 623080), (33680, 622821), (34410, 609608), (39153, 535760), (40182, 522040), (43440, 482887), (44888, 467310), (45880, 457206), (46731, 448880), (50520, 415214), (52204, 401820), (53576, 391530), (55056, 381005), (56110, 373848), (62308, 336660), (65255, 321456), (66970, 313224), (67332, 311540), (68820, 304804), (76201, 275280), (77885, 269328), (78306, 267880), (80364, 261020), (84165, 249232), (89776, 233655), (91760, 228603), (93462, 224440), (100455, 208816), (101040, 207607), (104408, 200910), (107152, 195765), (112220, 186924), (124616, 168330), (130510, 160728), (133940, 156612), (134664, 155770), (137640, 152402)]