264243840

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{19661}}^1$

素因数の和:19690

約数の個数: 128

約数和(自身を含む): 962651520

約数和(自身を除く): 698407680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 19661, 39322, 58983, 78644, 98305, 117966, 137627, 157288, 196610, 235932, 275254, 294915, 314576, 393220, 412881, 471864, 550508, 589830, 629152, 688135, 786440, 825762, 943728, 1101016, 1179660, 1258304, 1376270, 1572880, 1651524, 1887456, 2064405, 2202032, 2359320, 2516608, 2752540, 3145760, 3303048, 3774912, 4128810, 4404064, 4718640, 5505080, 6291520, 6606096, 7549824, 8257620, 8808128, 9437280, 11010160, 12583040, 13212192, 16515240, 17616256, 18874560, 22020320, 26424384, 33030480, 37749120, 44040640, 52848768, 66060960, 88081280, 132121920, 264243840]

約数ペア:

[(1, 264243840), (2, 132121920), (3, 88081280), (4, 66060960), (5, 52848768), (6, 44040640), (7, 37749120), (8, 33030480), (10, 26424384), (12, 22020320), (14, 18874560), (15, 17616256), (16, 16515240), (20, 13212192), (21, 12583040), (24, 11010160), (28, 9437280), (30, 8808128), (32, 8257620), (35, 7549824), (40, 6606096), (42, 6291520), (48, 5505080), (56, 4718640), (60, 4404064), (64, 4128810), (70, 3774912), (80, 3303048), (84, 3145760), (96, 2752540), (105, 2516608), (112, 2359320), (120, 2202032), (128, 2064405), (140, 1887456), (160, 1651524), (168, 1572880), (192, 1376270), (210, 1258304), (224, 1179660), (240, 1101016), (280, 943728), (320, 825762), (336, 786440), (384, 688135), (420, 629152), (448, 589830), (480, 550508), (560, 471864), (640, 412881), (672, 393220), (840, 314576), (896, 294915), (960, 275254), (1120, 235932), (1344, 196610), (1680, 157288), (1920, 137627), (2240, 117966), (2688, 98305), (3360, 78644), (4480, 58983), (6720, 39322), (13440, 19661)]