1620161280

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{140639}}^1$

素因数の和:140666

約数の個数: 108

約数和(自身を含む): 5605629120

約数和(自身を除く): 3985467840

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, 140639, 281278, 421917, 562556, 703195, 843834, 1125112, 1265751, 1406390, 1687668, 2109585, 2250224, 2531502, 2812780, 3375336, 4219170, 4500448, 5063004, 5625560, 6328755, 6750672, 8438340, 9000896, 10126008, 11251120, 12657510, 13501344, 16876680, 18001792, 20252016, 22502240, 25315020, 27002688, 33753360, 36003584, 40504032, 45004480, 50630040, 54005376, 67506720, 81008064, 90008960, 101260080, 108010752, 135013440, 162016128, 180017920, 202520160, 270026880, 324032256, 405040320, 540053760, 810080640, 1620161280]

約数ペア:

[(1, 1620161280), (2, 810080640), (3, 540053760), (4, 405040320), (5, 324032256), (6, 270026880), (8, 202520160), (9, 180017920), (10, 162016128), (12, 135013440), (15, 108010752), (16, 101260080), (18, 90008960), (20, 81008064), (24, 67506720), (30, 54005376), (32, 50630040), (36, 45004480), (40, 40504032), (45, 36003584), (48, 33753360), (60, 27002688), (64, 25315020), (72, 22502240), (80, 20252016), (90, 18001792), (96, 16876680), (120, 13501344), (128, 12657510), (144, 11251120), (160, 10126008), (180, 9000896), (192, 8438340), (240, 6750672), (256, 6328755), (288, 5625560), (320, 5063004), (360, 4500448), (384, 4219170), (480, 3375336), (576, 2812780), (640, 2531502), (720, 2250224), (768, 2109585), (960, 1687668), (1152, 1406390), (1280, 1265751), (1440, 1125112), (1920, 843834), (2304, 703195), (2880, 562556), (3840, 421917), (5760, 281278), (11520, 140639)]