18973808640

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{205879}}^1$

素因数の和:205912

約数の個数: 144

約数和(自身を含む): 65760130800

約数和(自身を除く): 46786322160

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, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 6144, 7680, 9216, 10240, 11520, 15360, 18432, 23040, 30720, 46080, 92160, 205879, 411758, 617637, 823516, 1029395, 1235274, 1647032, 1852911, 2058790, 2470548, 3088185, 3294064, 3705822, 4117580, 4941096, 6176370, 6588128, 7411644, 8235160, 9264555, 9882192, 12352740, 13176256, 14823288, 16470320, 18529110, 19764384, 24705480, 26352512, 29646576, 32940640, 37058220, 39528768, 49410960, 52705024, 59293152, 65881280, 74116440, 79057536, 98821920, 105410048, 118586304, 131762560, 148232880, 158115072, 197643840, 210820096, 237172608, 263525120, 296465760, 316230144, 395287680, 421640192, 474345216, 527050240, 592931520, 632460288, 790575360, 948690432, 1054100480, 1185863040, 1264920576, 1581150720, 1897380864, 2108200960, 2371726080, 3162301440, 3794761728, 4743452160, 6324602880, 9486904320, 18973808640]

約数ペア:

[(1, 18973808640), (2, 9486904320), (3, 6324602880), (4, 4743452160), (5, 3794761728), (6, 3162301440), (8, 2371726080), (9, 2108200960), (10, 1897380864), (12, 1581150720), (15, 1264920576), (16, 1185863040), (18, 1054100480), (20, 948690432), (24, 790575360), (30, 632460288), (32, 592931520), (36, 527050240), (40, 474345216), (45, 421640192), (48, 395287680), (60, 316230144), (64, 296465760), (72, 263525120), (80, 237172608), (90, 210820096), (96, 197643840), (120, 158115072), (128, 148232880), (144, 131762560), (160, 118586304), (180, 105410048), (192, 98821920), (240, 79057536), (256, 74116440), (288, 65881280), (320, 59293152), (360, 52705024), (384, 49410960), (480, 39528768), (512, 37058220), (576, 32940640), (640, 29646576), (720, 26352512), (768, 24705480), (960, 19764384), (1024, 18529110), (1152, 16470320), (1280, 14823288), (1440, 13176256), (1536, 12352740), (1920, 9882192), (2048, 9264555), (2304, 8235160), (2560, 7411644), (2880, 6588128), (3072, 6176370), (3840, 4941096), (4608, 4117580), (5120, 3705822), (5760, 3294064), (6144, 3088185), (7680, 2470548), (9216, 2058790), (10240, 1852911), (11520, 1647032), (15360, 1235274), (18432, 1029395), (23040, 823516), (30720, 617637), (46080, 411758), (92160, 205879)]