20630814720

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:824

約数の個数: 240

約数和(自身を含む): 66637068288

約数和(自身を除く): 46006253568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 127, 128, 160, 192, 240, 254, 256, 320, 381, 384, 480, 508, 512, 635, 640, 661, 762, 768, 960, 1016, 1024, 1270, 1280, 1322, 1524, 1536, 1905, 1920, 1983, 2032, 2048, 2540, 2560, 2644, 3048, 3072, 3305, 3810, 3840, 3966, 4064, 4096, 5080, 5120, 5288, 6096, 6144, 6610, 7620, 7680, 7932, 8128, 8192, 9915, 10160, 10240, 10576, 12192, 12288, 13220, 15240, 15360, 15864, 16256, 16384, 19830, 20320, 20480, 21152, 24384, 24576, 26440, 30480, 30720, 31728, 32512, 39660, 40640, 40960, 42304, 48768, 49152, 52880, 60960, 61440, 63456, 65024, 79320, 81280, 81920, 83947, 84608, 97536, 105760, 121920, 122880, 126912, 130048, 158640, 162560, 167894, 169216, 195072, 211520, 243840, 245760, 251841, 253824, 260096, 317280, 325120, 335788, 338432, 390144, 419735, 423040, 487680, 503682, 507648, 520192, 634560, 650240, 671576, 676864, 780288, 839470, 846080, 975360, 1007364, 1015296, 1040384, 1259205, 1269120, 1300480, 1343152, 1353728, 1560576, 1678940, 1692160, 1950720, 2014728, 2030592, 2080768, 2518410, 2538240, 2600960, 2686304, 2707456, 3121152, 3357880, 3384320, 3901440, 4029456, 4061184, 5036820, 5076480, 5201920, 5372608, 5414912, 6242304, 6715760, 6768640, 7802880, 8058912, 8122368, 10073640, 10152960, 10403840, 10745216, 10829824, 13431520, 13537280, 15605760, 16117824, 16244736, 20147280, 20305920, 21490432, 26863040, 27074560, 31211520, 32235648, 32489472, 40294560, 40611840, 42980864, 53726080, 54149120, 64471296, 80589120, 81223680, 85961728, 107452160, 128942592, 161178240, 162447360, 171923456, 214904320, 257885184, 322356480, 343846912, 429808640, 515770368, 644712960, 687693824, 859617280, 1031540736, 1289425920, 1375387648, 1719234560, 2063081472, 2578851840, 3438469120, 4126162944, 5157703680, 6876938240, 10315407360, 20630814720]

約数ペア:

[(1, 20630814720), (2, 10315407360), (3, 6876938240), (4, 5157703680), (5, 4126162944), (6, 3438469120), (8, 2578851840), (10, 2063081472), (12, 1719234560), (15, 1375387648), (16, 1289425920), (20, 1031540736), (24, 859617280), (30, 687693824), (32, 644712960), (40, 515770368), (48, 429808640), (60, 343846912), (64, 322356480), (80, 257885184), (96, 214904320), (120, 171923456), (127, 162447360), (128, 161178240), (160, 128942592), (192, 107452160), (240, 85961728), (254, 81223680), (256, 80589120), (320, 64471296), (381, 54149120), (384, 53726080), (480, 42980864), (508, 40611840), (512, 40294560), (635, 32489472), (640, 32235648), (661, 31211520), (762, 27074560), (768, 26863040), (960, 21490432), (1016, 20305920), (1024, 20147280), (1270, 16244736), (1280, 16117824), (1322, 15605760), (1524, 13537280), (1536, 13431520), (1905, 10829824), (1920, 10745216), (1983, 10403840), (2032, 10152960), (2048, 10073640), (2540, 8122368), (2560, 8058912), (2644, 7802880), (3048, 6768640), (3072, 6715760), (3305, 6242304), (3810, 5414912), (3840, 5372608), (3966, 5201920), (4064, 5076480), (4096, 5036820), (5080, 4061184), (5120, 4029456), (5288, 3901440), (6096, 3384320), (6144, 3357880), (6610, 3121152), (7620, 2707456), (7680, 2686304), (7932, 2600960), (8128, 2538240), (8192, 2518410), (9915, 2080768), (10160, 2030592), (10240, 2014728), (10576, 1950720), (12192, 1692160), (12288, 1678940), (13220, 1560576), (15240, 1353728), (15360, 1343152), (15864, 1300480), (16256, 1269120), (16384, 1259205), (19830, 1040384), (20320, 1015296), (20480, 1007364), (21152, 975360), (24384, 846080), (24576, 839470), (26440, 780288), (30480, 676864), (30720, 671576), (31728, 650240), (32512, 634560), (39660, 520192), (40640, 507648), (40960, 503682), (42304, 487680), (48768, 423040), (49152, 419735), (52880, 390144), (60960, 338432), (61440, 335788), (63456, 325120), (65024, 317280), (79320, 260096), (81280, 253824), (81920, 251841), (83947, 245760), (84608, 243840), (97536, 211520), (105760, 195072), (121920, 169216), (122880, 167894), (126912, 162560), (130048, 158640)]