161563680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:424

約数の個数: 192

約数和(自身を含む): 571536000

約数和(自身を除く): 409972320

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, 72, 80, 90, 96, 108, 120, 135, 144, 149, 160, 180, 216, 240, 251, 270, 288, 298, 360, 432, 447, 480, 502, 540, 596, 720, 745, 753, 864, 894, 1004, 1080, 1192, 1255, 1341, 1440, 1490, 1506, 1788, 2008, 2160, 2235, 2259, 2384, 2510, 2682, 2980, 3012, 3576, 3765, 4016, 4023, 4320, 4470, 4518, 4768, 5020, 5364, 5960, 6024, 6705, 6777, 7152, 7530, 8032, 8046, 8940, 9036, 10040, 10728, 11295, 11920, 12048, 13410, 13554, 14304, 15060, 16092, 17880, 18072, 20080, 20115, 21456, 22590, 23840, 24096, 26820, 27108, 30120, 32184, 33885, 35760, 36144, 37399, 40160, 40230, 42912, 45180, 53640, 54216, 60240, 64368, 67770, 71520, 72288, 74798, 80460, 90360, 107280, 108432, 112197, 120480, 128736, 135540, 149596, 160920, 180720, 186995, 214560, 216864, 224394, 271080, 299192, 321840, 336591, 361440, 373990, 448788, 542160, 560985, 598384, 643680, 673182, 747980, 897576, 1009773, 1084320, 1121970, 1196768, 1346364, 1495960, 1682955, 1795152, 2019546, 2243940, 2692728, 2991920, 3365910, 3590304, 4039092, 4487880, 5048865, 5385456, 5983840, 6731820, 8078184, 8975760, 10097730, 10770912, 13463640, 16156368, 17951520, 20195460, 26927280, 32312736, 40390920, 53854560, 80781840, 161563680]

約数ペア:

[(1, 161563680), (2, 80781840), (3, 53854560), (4, 40390920), (5, 32312736), (6, 26927280), (8, 20195460), (9, 17951520), (10, 16156368), (12, 13463640), (15, 10770912), (16, 10097730), (18, 8975760), (20, 8078184), (24, 6731820), (27, 5983840), (30, 5385456), (32, 5048865), (36, 4487880), (40, 4039092), (45, 3590304), (48, 3365910), (54, 2991920), (60, 2692728), (72, 2243940), (80, 2019546), (90, 1795152), (96, 1682955), (108, 1495960), (120, 1346364), (135, 1196768), (144, 1121970), (149, 1084320), (160, 1009773), (180, 897576), (216, 747980), (240, 673182), (251, 643680), (270, 598384), (288, 560985), (298, 542160), (360, 448788), (432, 373990), (447, 361440), (480, 336591), (502, 321840), (540, 299192), (596, 271080), (720, 224394), (745, 216864), (753, 214560), (864, 186995), (894, 180720), (1004, 160920), (1080, 149596), (1192, 135540), (1255, 128736), (1341, 120480), (1440, 112197), (1490, 108432), (1506, 107280), (1788, 90360), (2008, 80460), (2160, 74798), (2235, 72288), (2259, 71520), (2384, 67770), (2510, 64368), (2682, 60240), (2980, 54216), (3012, 53640), (3576, 45180), (3765, 42912), (4016, 40230), (4023, 40160), (4320, 37399), (4470, 36144), (4518, 35760), (4768, 33885), (5020, 32184), (5364, 30120), (5960, 27108), (6024, 26820), (6705, 24096), (6777, 23840), (7152, 22590), (7530, 21456), (8032, 20115), (8046, 20080), (8940, 18072), (9036, 17880), (10040, 16092), (10728, 15060), (11295, 14304), (11920, 13554), (12048, 13410)]