20838781440

素因数分解:

$2^9\times 3^3\times 5^1\times {\mathrm{301487}}^1$

素因数の和:301519

約数の個数: 160

約数和(自身を含む): 74021333760

約数和(自身を除く): 53182552320

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, 1080, 1152, 1280, 1440, 1536, 1728, 1920, 2160, 2304, 2560, 2880, 3456, 3840, 4320, 4608, 5760, 6912, 7680, 8640, 11520, 13824, 17280, 23040, 34560, 69120, 301487, 602974, 904461, 1205948, 1507435, 1808922, 2411896, 2713383, 3014870, 3617844, 4522305, 4823792, 5426766, 6029740, 7235688, 8140149, 9044610, 9647584, 10853532, 12059480, 13566915, 14471376, 16280298, 18089220, 19295168, 21707064, 24118960, 27133830, 28942752, 32560596, 36178440, 38590336, 40700745, 43414128, 48237920, 54267660, 57885504, 65121192, 72356880, 77180672, 81401490, 86828256, 96475840, 108535320, 115771008, 130242384, 144713760, 154361344, 162802980, 173656512, 192951680, 217070640, 231542016, 260484768, 289427520, 325605960, 347313024, 385903360, 434141280, 463084032, 520969536, 578855040, 651211920, 694626048, 771806720, 868282560, 1041939072, 1157710080, 1302423840, 1389252096, 1736565120, 2083878144, 2315420160, 2604847680, 3473130240, 4167756288, 5209695360, 6946260480, 10419390720, 20838781440]

約数ペア:

[(1, 20838781440), (2, 10419390720), (3, 6946260480), (4, 5209695360), (5, 4167756288), (6, 3473130240), (8, 2604847680), (9, 2315420160), (10, 2083878144), (12, 1736565120), (15, 1389252096), (16, 1302423840), (18, 1157710080), (20, 1041939072), (24, 868282560), (27, 771806720), (30, 694626048), (32, 651211920), (36, 578855040), (40, 520969536), (45, 463084032), (48, 434141280), (54, 385903360), (60, 347313024), (64, 325605960), (72, 289427520), (80, 260484768), (90, 231542016), (96, 217070640), (108, 192951680), (120, 173656512), (128, 162802980), (135, 154361344), (144, 144713760), (160, 130242384), (180, 115771008), (192, 108535320), (216, 96475840), (240, 86828256), (256, 81401490), (270, 77180672), (288, 72356880), (320, 65121192), (360, 57885504), (384, 54267660), (432, 48237920), (480, 43414128), (512, 40700745), (540, 38590336), (576, 36178440), (640, 32560596), (720, 28942752), (768, 27133830), (864, 24118960), (960, 21707064), (1080, 19295168), (1152, 18089220), (1280, 16280298), (1440, 14471376), (1536, 13566915), (1728, 12059480), (1920, 10853532), (2160, 9647584), (2304, 9044610), (2560, 8140149), (2880, 7235688), (3456, 6029740), (3840, 5426766), (4320, 4823792), (4608, 4522305), (5760, 3617844), (6912, 3014870), (7680, 2713383), (8640, 2411896), (11520, 1808922), (13824, 1507435), (17280, 1205948), (23040, 904461), (34560, 602974), (69120, 301487)]