209560320

素因数分解:

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

素因数の和:18218

約数の個数: 108

約数和(自身を含む): 725096736

約数和(自身を除く): 515536416

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, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1920, 2304, 2880, 3840, 5760, 11520, 18191, 36382, 54573, 72764, 90955, 109146, 145528, 163719, 181910, 218292, 272865, 291056, 327438, 363820, 436584, 545730, 582112, 654876, 727640, 818595, 873168, 1091460, 1164224, 1309752, 1455280, 1637190, 1746336, 2182920, 2328448, 2619504, 2910560, 3274380, 3492672, 4365840, 4656896, 5239008, 5821120, 6548760, 6985344, 8731680, 10478016, 11642240, 13097520, 13970688, 17463360, 20956032, 23284480, 26195040, 34926720, 41912064, 52390080, 69853440, 104780160, 209560320]

約数ペア:

[(1, 209560320), (2, 104780160), (3, 69853440), (4, 52390080), (5, 41912064), (6, 34926720), (8, 26195040), (9, 23284480), (10, 20956032), (12, 17463360), (15, 13970688), (16, 13097520), (18, 11642240), (20, 10478016), (24, 8731680), (30, 6985344), (32, 6548760), (36, 5821120), (40, 5239008), (45, 4656896), (48, 4365840), (60, 3492672), (64, 3274380), (72, 2910560), (80, 2619504), (90, 2328448), (96, 2182920), (120, 1746336), (128, 1637190), (144, 1455280), (160, 1309752), (180, 1164224), (192, 1091460), (240, 873168), (256, 818595), (288, 727640), (320, 654876), (360, 582112), (384, 545730), (480, 436584), (576, 363820), (640, 327438), (720, 291056), (768, 272865), (960, 218292), (1152, 181910), (1280, 163719), (1440, 145528), (1920, 109146), (2304, 90955), (2880, 72764), (3840, 54573), (5760, 36382), (11520, 18191)]