81540864

素因数分解:

$2^8\times 3^3\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:323

約数の個数: 144

約数和(自身を含む): 247242240

約数和(自身を除く): 165701376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 128, 141, 144, 188, 192, 216, 251, 256, 282, 288, 376, 384, 423, 432, 502, 564, 576, 752, 753, 768, 846, 864, 1004, 1128, 1152, 1269, 1504, 1506, 1692, 1728, 2008, 2256, 2259, 2304, 2538, 3008, 3012, 3384, 3456, 4016, 4512, 4518, 5076, 6016, 6024, 6768, 6777, 6912, 8032, 9024, 9036, 10152, 11797, 12032, 12048, 13536, 13554, 16064, 18048, 18072, 20304, 23594, 24096, 27072, 27108, 32128, 35391, 36096, 36144, 40608, 47188, 48192, 54144, 54216, 64256, 70782, 72288, 81216, 94376, 96384, 106173, 108288, 108432, 141564, 144576, 162432, 188752, 192768, 212346, 216864, 283128, 289152, 318519, 324864, 377504, 424692, 433728, 566256, 578304, 637038, 755008, 849384, 867456, 1132512, 1274076, 1510016, 1698768, 1734912, 2265024, 2548152, 3020032, 3397536, 4530048, 5096304, 6795072, 9060096, 10192608, 13590144, 20385216, 27180288, 40770432, 81540864]

約数ペア:

[(1, 81540864), (2, 40770432), (3, 27180288), (4, 20385216), (6, 13590144), (8, 10192608), (9, 9060096), (12, 6795072), (16, 5096304), (18, 4530048), (24, 3397536), (27, 3020032), (32, 2548152), (36, 2265024), (47, 1734912), (48, 1698768), (54, 1510016), (64, 1274076), (72, 1132512), (94, 867456), (96, 849384), (108, 755008), (128, 637038), (141, 578304), (144, 566256), (188, 433728), (192, 424692), (216, 377504), (251, 324864), (256, 318519), (282, 289152), (288, 283128), (376, 216864), (384, 212346), (423, 192768), (432, 188752), (502, 162432), (564, 144576), (576, 141564), (752, 108432), (753, 108288), (768, 106173), (846, 96384), (864, 94376), (1004, 81216), (1128, 72288), (1152, 70782), (1269, 64256), (1504, 54216), (1506, 54144), (1692, 48192), (1728, 47188), (2008, 40608), (2256, 36144), (2259, 36096), (2304, 35391), (2538, 32128), (3008, 27108), (3012, 27072), (3384, 24096), (3456, 23594), (4016, 20304), (4512, 18072), (4518, 18048), (5076, 16064), (6016, 13554), (6024, 13536), (6768, 12048), (6777, 12032), (6912, 11797), (8032, 10152), (9024, 9036)]