1819211520

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{67679}}^1$

素因数の和:67710

約数の個数: 144

約数和(自身を含む): 6640220160

約数和(自身を除く): 4821008640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 67679, 135358, 203037, 270716, 338395, 406074, 473753, 541432, 676790, 812148, 947506, 1015185, 1082864, 1353580, 1421259, 1624296, 1895012, 2030370, 2165728, 2368765, 2707160, 2842518, 3248592, 3790024, 4060740, 4331456, 4737530, 5414320, 5685036, 6497184, 7106295, 7580048, 8121480, 8662912, 9475060, 10828640, 11370072, 12994368, 14212590, 15160096, 16242960, 17325824, 18950120, 21657280, 22740144, 25988736, 28425180, 30320192, 32485920, 37900240, 43314560, 45480288, 51977472, 56850360, 60640384, 64971840, 75800480, 86629120, 90960576, 113700720, 121280768, 129943680, 151600960, 181921152, 227401440, 259887360, 303201920, 363842304, 454802880, 606403840, 909605760, 1819211520]

約数ペア:

[(1, 1819211520), (2, 909605760), (3, 606403840), (4, 454802880), (5, 363842304), (6, 303201920), (7, 259887360), (8, 227401440), (10, 181921152), (12, 151600960), (14, 129943680), (15, 121280768), (16, 113700720), (20, 90960576), (21, 86629120), (24, 75800480), (28, 64971840), (30, 60640384), (32, 56850360), (35, 51977472), (40, 45480288), (42, 43314560), (48, 37900240), (56, 32485920), (60, 30320192), (64, 28425180), (70, 25988736), (80, 22740144), (84, 21657280), (96, 18950120), (105, 17325824), (112, 16242960), (120, 15160096), (128, 14212590), (140, 12994368), (160, 11370072), (168, 10828640), (192, 9475060), (210, 8662912), (224, 8121480), (240, 7580048), (256, 7106295), (280, 6497184), (320, 5685036), (336, 5414320), (384, 4737530), (420, 4331456), (448, 4060740), (480, 3790024), (560, 3248592), (640, 2842518), (672, 2707160), (768, 2368765), (840, 2165728), (896, 2030370), (960, 1895012), (1120, 1624296), (1280, 1421259), (1344, 1353580), (1680, 1082864), (1792, 1015185), (1920, 947506), (2240, 812148), (2688, 676790), (3360, 541432), (3840, 473753), (4480, 406074), (5376, 338395), (6720, 270716), (8960, 203037), (13440, 135358), (26880, 67679)]