257425920

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{11173}}^1$

素因数の和:11202

約数の個数: 120

約数和(自身を含む): 891618156

約数和(自身を除く): 634192236

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3840, 4608, 5760, 7680, 11173, 11520, 22346, 23040, 33519, 44692, 55865, 67038, 89384, 100557, 111730, 134076, 167595, 178768, 201114, 223460, 268152, 335190, 357536, 402228, 446920, 502785, 536304, 670380, 715072, 804456, 893840, 1005570, 1072608, 1340760, 1430144, 1608912, 1787680, 2011140, 2145216, 2681520, 2860288, 3217824, 3575360, 4022280, 4290432, 5363040, 5720576, 6435648, 7150720, 8044560, 8580864, 10726080, 12871296, 14301440, 16089120, 17161728, 21452160, 25742592, 28602880, 32178240, 42904320, 51485184, 64356480, 85808640, 128712960, 257425920]

約数ペア:

[(1, 257425920), (2, 128712960), (3, 85808640), (4, 64356480), (5, 51485184), (6, 42904320), (8, 32178240), (9, 28602880), (10, 25742592), (12, 21452160), (15, 17161728), (16, 16089120), (18, 14301440), (20, 12871296), (24, 10726080), (30, 8580864), (32, 8044560), (36, 7150720), (40, 6435648), (45, 5720576), (48, 5363040), (60, 4290432), (64, 4022280), (72, 3575360), (80, 3217824), (90, 2860288), (96, 2681520), (120, 2145216), (128, 2011140), (144, 1787680), (160, 1608912), (180, 1430144), (192, 1340760), (240, 1072608), (256, 1005570), (288, 893840), (320, 804456), (360, 715072), (384, 670380), (480, 536304), (512, 502785), (576, 446920), (640, 402228), (720, 357536), (768, 335190), (960, 268152), (1152, 223460), (1280, 201114), (1440, 178768), (1536, 167595), (1920, 134076), (2304, 111730), (2560, 100557), (2880, 89384), (3840, 67038), (4608, 55865), (5760, 44692), (7680, 33519), (11173, 23040), (11520, 22346)]