71521920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{4139}}^1$

素因数の和:4167

約数の個数: 128

約数和(自身を含む): 253368000

約数和(自身を除く): 181846080

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, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4139, 4320, 5760, 8278, 8640, 12417, 16556, 17280, 20695, 24834, 33112, 37251, 41390, 49668, 62085, 66224, 74502, 82780, 99336, 111753, 124170, 132448, 149004, 165560, 186255, 198672, 223506, 248340, 264896, 298008, 331120, 372510, 397344, 447012, 496680, 529792, 558765, 596016, 662240, 745020, 794688, 894024, 993360, 1117530, 1192032, 1324480, 1490040, 1589376, 1788048, 1986720, 2235060, 2384064, 2648960, 2980080, 3576096, 3973440, 4470120, 4768128, 5960160, 7152192, 7946880, 8940240, 11920320, 14304384, 17880480, 23840640, 35760960, 71521920]

約数ペア:

[(1, 71521920), (2, 35760960), (3, 23840640), (4, 17880480), (5, 14304384), (6, 11920320), (8, 8940240), (9, 7946880), (10, 7152192), (12, 5960160), (15, 4768128), (16, 4470120), (18, 3973440), (20, 3576096), (24, 2980080), (27, 2648960), (30, 2384064), (32, 2235060), (36, 1986720), (40, 1788048), (45, 1589376), (48, 1490040), (54, 1324480), (60, 1192032), (64, 1117530), (72, 993360), (80, 894024), (90, 794688), (96, 745020), (108, 662240), (120, 596016), (128, 558765), (135, 529792), (144, 496680), (160, 447012), (180, 397344), (192, 372510), (216, 331120), (240, 298008), (270, 264896), (288, 248340), (320, 223506), (360, 198672), (384, 186255), (432, 165560), (480, 149004), (540, 132448), (576, 124170), (640, 111753), (720, 99336), (864, 82780), (960, 74502), (1080, 66224), (1152, 62085), (1440, 49668), (1728, 41390), (1920, 37251), (2160, 33112), (2880, 24834), (3456, 20695), (4139, 17280), (4320, 16556), (5760, 12417), (8278, 8640)]