20178755520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{272981}}^1$

素因数の和:273019

約数の個数: 224

約数和(自身を含む): 79876717056

約数和(自身を除く): 59697961536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 32, 33, 35, 40, 42, 44, 48, 55, 56, 60, 64, 66, 70, 77, 80, 84, 88, 96, 105, 110, 112, 120, 132, 140, 154, 160, 165, 168, 176, 192, 210, 220, 224, 231, 240, 264, 280, 308, 320, 330, 336, 352, 385, 420, 440, 448, 462, 480, 528, 560, 616, 660, 672, 704, 770, 840, 880, 924, 960, 1056, 1120, 1155, 1232, 1320, 1344, 1540, 1680, 1760, 1848, 2112, 2240, 2310, 2464, 2640, 3080, 3360, 3520, 3696, 4620, 4928, 5280, 6160, 6720, 7392, 9240, 10560, 12320, 14784, 18480, 24640, 36960, 73920, 272981, 545962, 818943, 1091924, 1364905, 1637886, 1910867, 2183848, 2729810, 3002791, 3275772, 3821734, 4094715, 4367696, 5459620, 5732601, 6005582, 6551544, 7643468, 8189430, 8735392, 9008373, 9554335, 10919240, 11465202, 12011164, 13103088, 15013955, 15286936, 16378860, 17470784, 18016746, 19108670, 21019537, 21838480, 22930404, 24022328, 26206176, 28663005, 30027910, 30573872, 32757720, 36033492, 38217340, 42039074, 43676960, 45041865, 45860808, 48044656, 52412352, 57326010, 60055820, 61147744, 63058611, 65515440, 72066984, 76434680, 84078148, 87353920, 90083730, 91721616, 96089312, 105097685, 114652020, 120111640, 122295488, 126117222, 131030880, 144133968, 152869360, 168156296, 180167460, 183443232, 192178624, 210195370, 229304040, 240223280, 252234444, 262061760, 288267936, 305738720, 315293055, 336312592, 360334920, 366886464, 420390740, 458608080, 480446560, 504468888, 576535872, 611477440, 630586110, 672625184, 720669840, 840781480, 917216160, 960893120, 1008937776, 1261172220, 1345250368, 1441339680, 1681562960, 1834432320, 2017875552, 2522344440, 2882679360, 3363125920, 4035751104, 5044688880, 6726251840, 10089377760, 20178755520]

約数ペア:

[(1, 20178755520), (2, 10089377760), (3, 6726251840), (4, 5044688880), (5, 4035751104), (6, 3363125920), (7, 2882679360), (8, 2522344440), (10, 2017875552), (11, 1834432320), (12, 1681562960), (14, 1441339680), (15, 1345250368), (16, 1261172220), (20, 1008937776), (21, 960893120), (22, 917216160), (24, 840781480), (28, 720669840), (30, 672625184), (32, 630586110), (33, 611477440), (35, 576535872), (40, 504468888), (42, 480446560), (44, 458608080), (48, 420390740), (55, 366886464), (56, 360334920), (60, 336312592), (64, 315293055), (66, 305738720), (70, 288267936), (77, 262061760), (80, 252234444), (84, 240223280), (88, 229304040), (96, 210195370), (105, 192178624), (110, 183443232), (112, 180167460), (120, 168156296), (132, 152869360), (140, 144133968), (154, 131030880), (160, 126117222), (165, 122295488), (168, 120111640), (176, 114652020), (192, 105097685), (210, 96089312), (220, 91721616), (224, 90083730), (231, 87353920), (240, 84078148), (264, 76434680), (280, 72066984), (308, 65515440), (320, 63058611), (330, 61147744), (336, 60055820), (352, 57326010), (385, 52412352), (420, 48044656), (440, 45860808), (448, 45041865), (462, 43676960), (480, 42039074), (528, 38217340), (560, 36033492), (616, 32757720), (660, 30573872), (672, 30027910), (704, 28663005), (770, 26206176), (840, 24022328), (880, 22930404), (924, 21838480), (960, 21019537), (1056, 19108670), (1120, 18016746), (1155, 17470784), (1232, 16378860), (1320, 15286936), (1344, 15013955), (1540, 13103088), (1680, 12011164), (1760, 11465202), (1848, 10919240), (2112, 9554335), (2240, 9008373), (2310, 8735392), (2464, 8189430), (2640, 7643468), (3080, 6551544), (3360, 6005582), (3520, 5732601), (3696, 5459620), (4620, 4367696), (4928, 4094715), (5280, 3821734), (6160, 3275772), (6720, 3002791), (7392, 2729810), (9240, 2183848), (10560, 1910867), (12320, 1637886), (14784, 1364905), (18480, 1091924), (24640, 818943), (36960, 545962), (73920, 272981)]