161178240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{661}}^1$

素因数の和:810

約数の個数: 128

約数和(自身を含む): 518584320

約数和(自身を除く): 357406080

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, 320, 381, 384, 480, 508, 635, 640, 661, 762, 960, 1016, 1270, 1322, 1524, 1905, 1920, 1983, 2032, 2540, 2644, 3048, 3305, 3810, 3966, 4064, 5080, 5288, 6096, 6610, 7620, 7932, 8128, 9915, 10160, 10576, 12192, 13220, 15240, 15864, 16256, 19830, 20320, 21152, 24384, 26440, 30480, 31728, 39660, 40640, 42304, 48768, 52880, 60960, 63456, 79320, 81280, 83947, 84608, 105760, 121920, 126912, 158640, 167894, 211520, 243840, 251841, 253824, 317280, 335788, 419735, 423040, 503682, 634560, 671576, 839470, 1007364, 1259205, 1269120, 1343152, 1678940, 2014728, 2518410, 2686304, 3357880, 4029456, 5036820, 5372608, 6715760, 8058912, 10073640, 10745216, 13431520, 16117824, 20147280, 26863040, 32235648, 40294560, 53726080, 80589120, 161178240]

約数ペア:

[(1, 161178240), (2, 80589120), (3, 53726080), (4, 40294560), (5, 32235648), (6, 26863040), (8, 20147280), (10, 16117824), (12, 13431520), (15, 10745216), (16, 10073640), (20, 8058912), (24, 6715760), (30, 5372608), (32, 5036820), (40, 4029456), (48, 3357880), (60, 2686304), (64, 2518410), (80, 2014728), (96, 1678940), (120, 1343152), (127, 1269120), (128, 1259205), (160, 1007364), (192, 839470), (240, 671576), (254, 634560), (320, 503682), (381, 423040), (384, 419735), (480, 335788), (508, 317280), (635, 253824), (640, 251841), (661, 243840), (762, 211520), (960, 167894), (1016, 158640), (1270, 126912), (1322, 121920), (1524, 105760), (1905, 84608), (1920, 83947), (1983, 81280), (2032, 79320), (2540, 63456), (2644, 60960), (3048, 52880), (3305, 48768), (3810, 42304), (3966, 40640), (4064, 39660), (5080, 31728), (5288, 30480), (6096, 26440), (6610, 24384), (7620, 21152), (7932, 20320), (8128, 19830), (9915, 16256), (10160, 15864), (10576, 15240), (12192, 13220)]