20408232960

素因数分解:

$2^{10}\times 3^3\times 5^1\times {\mathrm{147629}}^1$

素因数の和:147663

約数の個数: 176

約数和(自身を含む): 72527666400

約数和(自身を除く): 52119433440

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, 256, 270, 288, 320, 360, 384, 432, 480, 512, 540, 576, 640, 720, 768, 864, 960, 1024, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3072, 3456, 3840, 4320, 4608, 5120, 5760, 6912, 7680, 8640, 9216, 11520, 13824, 15360, 17280, 23040, 27648, 34560, 46080, 69120, 138240, 147629, 295258, 442887, 590516, 738145, 885774, 1181032, 1328661, 1476290, 1771548, 2214435, 2362064, 2657322, 2952580, 3543096, 3985983, 4428870, 4724128, 5314644, 5905160, 6643305, 7086192, 7971966, 8857740, 9448256, 10629288, 11810320, 13286610, 14172384, 15943932, 17715480, 18896512, 19929915, 21258576, 23620640, 26573220, 28344768, 31887864, 35430960, 37793024, 39859830, 42517152, 47241280, 53146440, 56689536, 63775728, 70861920, 75586048, 79719660, 85034304, 94482560, 106292880, 113379072, 127551456, 141723840, 151172096, 159439320, 170068608, 188965120, 212585760, 226758144, 255102912, 283447680, 318878640, 340137216, 377930240, 425171520, 453516288, 510205824, 566895360, 637757280, 680274432, 755860480, 850343040, 1020411648, 1133790720, 1275514560, 1360548864, 1700686080, 2040823296, 2267581440, 2551029120, 3401372160, 4081646592, 5102058240, 6802744320, 10204116480, 20408232960]

約数ペア:

[(1, 20408232960), (2, 10204116480), (3, 6802744320), (4, 5102058240), (5, 4081646592), (6, 3401372160), (8, 2551029120), (9, 2267581440), (10, 2040823296), (12, 1700686080), (15, 1360548864), (16, 1275514560), (18, 1133790720), (20, 1020411648), (24, 850343040), (27, 755860480), (30, 680274432), (32, 637757280), (36, 566895360), (40, 510205824), (45, 453516288), (48, 425171520), (54, 377930240), (60, 340137216), (64, 318878640), (72, 283447680), (80, 255102912), (90, 226758144), (96, 212585760), (108, 188965120), (120, 170068608), (128, 159439320), (135, 151172096), (144, 141723840), (160, 127551456), (180, 113379072), (192, 106292880), (216, 94482560), (240, 85034304), (256, 79719660), (270, 75586048), (288, 70861920), (320, 63775728), (360, 56689536), (384, 53146440), (432, 47241280), (480, 42517152), (512, 39859830), (540, 37793024), (576, 35430960), (640, 31887864), (720, 28344768), (768, 26573220), (864, 23620640), (960, 21258576), (1024, 19929915), (1080, 18896512), (1152, 17715480), (1280, 15943932), (1440, 14172384), (1536, 13286610), (1728, 11810320), (1920, 10629288), (2160, 9448256), (2304, 8857740), (2560, 7971966), (2880, 7086192), (3072, 6643305), (3456, 5905160), (3840, 5314644), (4320, 4724128), (4608, 4428870), (5120, 3985983), (5760, 3543096), (6912, 2952580), (7680, 2657322), (8640, 2362064), (9216, 2214435), (11520, 1771548), (13824, 1476290), (15360, 1328661), (17280, 1181032), (23040, 885774), (27648, 738145), (34560, 590516), (46080, 442887), (69120, 295258), (138240, 147629)]