21508256640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{2557}}^1$

素因数の和:2929

約数の個数: 256

約数和(自身を含む): 74079270720

約数和(自身を除く): 52571014080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 337, 384, 390, 416, 480, 520, 624, 640, 674, 780, 832, 960, 1011, 1040, 1248, 1348, 1560, 1664, 1685, 1920, 2022, 2080, 2496, 2557, 2696, 3120, 3370, 4044, 4160, 4381, 4992, 5055, 5114, 5392, 6240, 6740, 7671, 8088, 8320, 8762, 10110, 10228, 10784, 12480, 12785, 13143, 13480, 15342, 16176, 17524, 20220, 20456, 21568, 21905, 24960, 25570, 26286, 26960, 30684, 32352, 33241, 35048, 38355, 40440, 40912, 43136, 43810, 51140, 52572, 53920, 61368, 64704, 65715, 66482, 70096, 76710, 80880, 81824, 87620, 99723, 102280, 105144, 107840, 122736, 129408, 131430, 132964, 140192, 153420, 161760, 163648, 166205, 175240, 199446, 204560, 210288, 215680, 245472, 262860, 265928, 280384, 306840, 323520, 327296, 332410, 350480, 398892, 409120, 420576, 490944, 498615, 525720, 531856, 560768, 613680, 647040, 664820, 700960, 797784, 818240, 841152, 861709, 981888, 997230, 1051440, 1063712, 1227360, 1329640, 1401920, 1595568, 1636480, 1682304, 1723418, 1994460, 2102880, 2127424, 2454720, 2585127, 2659280, 2803840, 3191136, 3446836, 3988920, 4205760, 4254848, 4308545, 4909440, 5170254, 5318560, 6382272, 6893672, 7977840, 8411520, 8617090, 10340508, 10637120, 11202217, 12764544, 12925635, 13787344, 15955680, 17234180, 20681016, 21274240, 22404434, 25851270, 27574688, 31911360, 33606651, 34468360, 41362032, 44808868, 51702540, 55149376, 56011085, 63822720, 67213302, 68936720, 82724064, 89617736, 103405080, 110298752, 112022170, 134426604, 137873440, 165448128, 168033255, 179235472, 206810160, 224044340, 268853208, 275746880, 330896256, 336066510, 358470944, 413620320, 448088680, 537706416, 551493760, 672133020, 716941888, 827240640, 896177360, 1075412832, 1344266040, 1433883776, 1654481280, 1792354720, 2150825664, 2688532080, 3584709440, 4301651328, 5377064160, 7169418880, 10754128320, 21508256640]

約数ペア:

[(1, 21508256640), (2, 10754128320), (3, 7169418880), (4, 5377064160), (5, 4301651328), (6, 3584709440), (8, 2688532080), (10, 2150825664), (12, 1792354720), (13, 1654481280), (15, 1433883776), (16, 1344266040), (20, 1075412832), (24, 896177360), (26, 827240640), (30, 716941888), (32, 672133020), (39, 551493760), (40, 537706416), (48, 448088680), (52, 413620320), (60, 358470944), (64, 336066510), (65, 330896256), (78, 275746880), (80, 268853208), (96, 224044340), (104, 206810160), (120, 179235472), (128, 168033255), (130, 165448128), (156, 137873440), (160, 134426604), (192, 112022170), (195, 110298752), (208, 103405080), (240, 89617736), (260, 82724064), (312, 68936720), (320, 67213302), (337, 63822720), (384, 56011085), (390, 55149376), (416, 51702540), (480, 44808868), (520, 41362032), (624, 34468360), (640, 33606651), (674, 31911360), (780, 27574688), (832, 25851270), (960, 22404434), (1011, 21274240), (1040, 20681016), (1248, 17234180), (1348, 15955680), (1560, 13787344), (1664, 12925635), (1685, 12764544), (1920, 11202217), (2022, 10637120), (2080, 10340508), (2496, 8617090), (2557, 8411520), (2696, 7977840), (3120, 6893672), (3370, 6382272), (4044, 5318560), (4160, 5170254), (4381, 4909440), (4992, 4308545), (5055, 4254848), (5114, 4205760), (5392, 3988920), (6240, 3446836), (6740, 3191136), (7671, 2803840), (8088, 2659280), (8320, 2585127), (8762, 2454720), (10110, 2127424), (10228, 2102880), (10784, 1994460), (12480, 1723418), (12785, 1682304), (13143, 1636480), (13480, 1595568), (15342, 1401920), (16176, 1329640), (17524, 1227360), (20220, 1063712), (20456, 1051440), (21568, 997230), (21905, 981888), (24960, 861709), (25570, 841152), (26286, 818240), (26960, 797784), (30684, 700960), (32352, 664820), (33241, 647040), (35048, 613680), (38355, 560768), (40440, 531856), (40912, 525720), (43136, 498615), (43810, 490944), (51140, 420576), (52572, 409120), (53920, 398892), (61368, 350480), (64704, 332410), (65715, 327296), (66482, 323520), (70096, 306840), (76710, 280384), (80880, 265928), (81824, 262860), (87620, 245472), (99723, 215680), (102280, 210288), (105144, 204560), (107840, 199446), (122736, 175240), (129408, 166205), (131430, 163648), (132964, 161760), (140192, 153420)]