19509120

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{1129}}^1$

素因数の和:1157

約数の個数: 128

約数和(自身を含む): 69156000

約数和(自身を除く): 49646880

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, 1129, 1152, 1440, 1728, 1920, 2160, 2258, 2880, 3387, 3456, 4320, 4516, 5645, 5760, 6774, 8640, 9032, 10161, 11290, 13548, 16935, 17280, 18064, 20322, 22580, 27096, 30483, 33870, 36128, 40644, 45160, 50805, 54192, 60966, 67740, 72256, 81288, 90320, 101610, 108384, 121932, 135480, 144512, 152415, 162576, 180640, 203220, 216768, 243864, 270960, 304830, 325152, 361280, 406440, 433536, 487728, 541920, 609660, 650304, 722560, 812880, 975456, 1083840, 1219320, 1300608, 1625760, 1950912, 2167680, 2438640, 3251520, 3901824, 4877280, 6503040, 9754560, 19509120]

約数ペア:

[(1, 19509120), (2, 9754560), (3, 6503040), (4, 4877280), (5, 3901824), (6, 3251520), (8, 2438640), (9, 2167680), (10, 1950912), (12, 1625760), (15, 1300608), (16, 1219320), (18, 1083840), (20, 975456), (24, 812880), (27, 722560), (30, 650304), (32, 609660), (36, 541920), (40, 487728), (45, 433536), (48, 406440), (54, 361280), (60, 325152), (64, 304830), (72, 270960), (80, 243864), (90, 216768), (96, 203220), (108, 180640), (120, 162576), (128, 152415), (135, 144512), (144, 135480), (160, 121932), (180, 108384), (192, 101610), (216, 90320), (240, 81288), (270, 72256), (288, 67740), (320, 60966), (360, 54192), (384, 50805), (432, 45160), (480, 40644), (540, 36128), (576, 33870), (640, 30483), (720, 27096), (864, 22580), (960, 20322), (1080, 18064), (1129, 17280), (1152, 16935), (1440, 13548), (1728, 11290), (1920, 10161), (2160, 9032), (2258, 8640), (2880, 6774), (3387, 5760), (3456, 5645), (4320, 4516)]