628680960

素因数分解:

$2^8\times 3^3\times 5^1\times {\mathrm{18191}}^1$

素因数の和:18221

約数の個数: 144

約数和(自身を含む): 2231066880

約数和(自身を除く): 1602385920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 256, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 768, 864, 960, 1080, 1152, 1280, 1440, 1728, 1920, 2160, 2304, 2880, 3456, 3840, 4320, 5760, 6912, 8640, 11520, 17280, 18191, 34560, 36382, 54573, 72764, 90955, 109146, 145528, 163719, 181910, 218292, 272865, 291056, 327438, 363820, 436584, 491157, 545730, 582112, 654876, 727640, 818595, 873168, 982314, 1091460, 1164224, 1309752, 1455280, 1637190, 1746336, 1964628, 2182920, 2328448, 2455785, 2619504, 2910560, 3274380, 3492672, 3929256, 4365840, 4656896, 4911570, 5239008, 5821120, 6548760, 6985344, 7858512, 8731680, 9823140, 10478016, 11642240, 13097520, 13970688, 15717024, 17463360, 19646280, 20956032, 23284480, 26195040, 31434048, 34926720, 39292560, 41912064, 52390080, 62868096, 69853440, 78585120, 104780160, 125736192, 157170240, 209560320, 314340480, 628680960]

約数ペア:

[(1, 628680960), (2, 314340480), (3, 209560320), (4, 157170240), (5, 125736192), (6, 104780160), (8, 78585120), (9, 69853440), (10, 62868096), (12, 52390080), (15, 41912064), (16, 39292560), (18, 34926720), (20, 31434048), (24, 26195040), (27, 23284480), (30, 20956032), (32, 19646280), (36, 17463360), (40, 15717024), (45, 13970688), (48, 13097520), (54, 11642240), (60, 10478016), (64, 9823140), (72, 8731680), (80, 7858512), (90, 6985344), (96, 6548760), (108, 5821120), (120, 5239008), (128, 4911570), (135, 4656896), (144, 4365840), (160, 3929256), (180, 3492672), (192, 3274380), (216, 2910560), (240, 2619504), (256, 2455785), (270, 2328448), (288, 2182920), (320, 1964628), (360, 1746336), (384, 1637190), (432, 1455280), (480, 1309752), (540, 1164224), (576, 1091460), (640, 982314), (720, 873168), (768, 818595), (864, 727640), (960, 654876), (1080, 582112), (1152, 545730), (1280, 491157), (1440, 436584), (1728, 363820), (1920, 327438), (2160, 291056), (2304, 272865), (2880, 218292), (3456, 181910), (3840, 163719), (4320, 145528), (5760, 109146), (6912, 90955), (8640, 72764), (11520, 54573), (17280, 36382), (18191, 34560)]