20645694720

素因数分解:

$2^8\times 3^4\times 5^1\times 7^1\times {\mathrm{28447}}^1$

素因数の和:28487

約数の個数: 360

約数和(自身を含む): 84430477824

約数和(自身を除く): 63784783104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 162, 168, 180, 189, 192, 210, 216, 224, 240, 252, 256, 270, 280, 288, 315, 320, 324, 336, 360, 378, 384, 405, 420, 432, 448, 480, 504, 540, 560, 567, 576, 630, 640, 648, 672, 720, 756, 768, 810, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1134, 1152, 1260, 1280, 1296, 1344, 1440, 1512, 1620, 1680, 1728, 1792, 1890, 1920, 2016, 2160, 2240, 2268, 2304, 2520, 2592, 2688, 2835, 2880, 3024, 3240, 3360, 3456, 3780, 3840, 4032, 4320, 4480, 4536, 5040, 5184, 5376, 5670, 5760, 6048, 6480, 6720, 6912, 7560, 8064, 8640, 8960, 9072, 10080, 10368, 11340, 11520, 12096, 12960, 13440, 15120, 16128, 17280, 18144, 20160, 20736, 22680, 24192, 25920, 26880, 28447, 30240, 34560, 36288, 40320, 45360, 48384, 51840, 56894, 60480, 72576, 80640, 85341, 90720, 103680, 113788, 120960, 142235, 145152, 170682, 181440, 199129, 227576, 241920, 256023, 284470, 341364, 362880, 398258, 426705, 455152, 512046, 568940, 597387, 682728, 725760, 768069, 796516, 853410, 910304, 995645, 1024092, 1137880, 1194774, 1280115, 1365456, 1536138, 1593032, 1706820, 1792161, 1820608, 1991290, 2048184, 2275760, 2304207, 2389548, 2560230, 2730912, 2986935, 3072276, 3186064, 3413640, 3584322, 3641216, 3840345, 3982580, 4096368, 4551520, 4608414, 4779096, 5120460, 5376483, 5461824, 5973870, 6144552, 6372128, 6827280, 7168644, 7282432, 7680690, 7965160, 8192736, 8960805, 9103040, 9216828, 9558192, 10240920, 10752966, 10923648, 11521035, 11947740, 12289104, 12744256, 13654560, 14337288, 15361380, 15930320, 16129449, 16385472, 17921610, 18206080, 18433656, 19116384, 20481840, 21505932, 21847296, 23042070, 23895480, 24578208, 25488512, 26882415, 27309120, 28674576, 30722760, 31860640, 32258898, 32770944, 35843220, 36412160, 36867312, 38232768, 40963680, 43011864, 46084140, 47790960, 49156416, 50977024, 53764830, 54618240, 57349152, 61445520, 63721280, 64517796, 65541888, 71686440, 73734624, 76465536, 80647245, 81927360, 86023728, 92168280, 95581920, 98312832, 107529660, 109236480, 114698304, 122891040, 127442560, 129035592, 143372880, 147469248, 152931072, 161294490, 163854720, 172047456, 184336560, 191163840, 196625664, 215059320, 229396608, 245782080, 254885120, 258071184, 286745760, 294938496, 322588980, 327709440, 344094912, 368673120, 382327680, 430118640, 458793216, 491564160, 516142368, 573491520, 589876992, 645177960, 688189824, 737346240, 764655360, 860237280, 983128320, 1032284736, 1146983040, 1290355920, 1376379648, 1474692480, 1720474560, 2064569472, 2293966080, 2580711840, 2949384960, 3440949120, 4129138944, 5161423680, 6881898240, 10322847360, 20645694720]

約数ペア:

[(1, 20645694720), (2, 10322847360), (3, 6881898240), (4, 5161423680), (5, 4129138944), (6, 3440949120), (7, 2949384960), (8, 2580711840), (9, 2293966080), (10, 2064569472), (12, 1720474560), (14, 1474692480), (15, 1376379648), (16, 1290355920), (18, 1146983040), (20, 1032284736), (21, 983128320), (24, 860237280), (27, 764655360), (28, 737346240), (30, 688189824), (32, 645177960), (35, 589876992), (36, 573491520), (40, 516142368), (42, 491564160), (45, 458793216), (48, 430118640), (54, 382327680), (56, 368673120), (60, 344094912), (63, 327709440), (64, 322588980), (70, 294938496), (72, 286745760), (80, 258071184), (81, 254885120), (84, 245782080), (90, 229396608), (96, 215059320), (105, 196625664), (108, 191163840), (112, 184336560), (120, 172047456), (126, 163854720), (128, 161294490), (135, 152931072), (140, 147469248), (144, 143372880), (160, 129035592), (162, 127442560), (168, 122891040), (180, 114698304), (189, 109236480), (192, 107529660), (210, 98312832), (216, 95581920), (224, 92168280), (240, 86023728), (252, 81927360), (256, 80647245), (270, 76465536), (280, 73734624), (288, 71686440), (315, 65541888), (320, 64517796), (324, 63721280), (336, 61445520), (360, 57349152), (378, 54618240), (384, 53764830), (405, 50977024), (420, 49156416), (432, 47790960), (448, 46084140), (480, 43011864), (504, 40963680), (540, 38232768), (560, 36867312), (567, 36412160), (576, 35843220), (630, 32770944), (640, 32258898), (648, 31860640), (672, 30722760), (720, 28674576), (756, 27309120), (768, 26882415), (810, 25488512), (840, 24578208), (864, 23895480), (896, 23042070), (945, 21847296), (960, 21505932), (1008, 20481840), (1080, 19116384), (1120, 18433656), (1134, 18206080), (1152, 17921610), (1260, 16385472), (1280, 16129449), (1296, 15930320), (1344, 15361380), (1440, 14337288), (1512, 13654560), (1620, 12744256), (1680, 12289104), (1728, 11947740), (1792, 11521035), (1890, 10923648), (1920, 10752966), (2016, 10240920), (2160, 9558192), (2240, 9216828), (2268, 9103040), (2304, 8960805), (2520, 8192736), (2592, 7965160), (2688, 7680690), (2835, 7282432), (2880, 7168644), (3024, 6827280), (3240, 6372128), (3360, 6144552), (3456, 5973870), (3780, 5461824), (3840, 5376483), (4032, 5120460), (4320, 4779096), (4480, 4608414), (4536, 4551520), (5040, 4096368), (5184, 3982580), (5376, 3840345), (5670, 3641216), (5760, 3584322), (6048, 3413640), (6480, 3186064), (6720, 3072276), (6912, 2986935), (7560, 2730912), (8064, 2560230), (8640, 2389548), (8960, 2304207), (9072, 2275760), (10080, 2048184), (10368, 1991290), (11340, 1820608), (11520, 1792161), (12096, 1706820), (12960, 1593032), (13440, 1536138), (15120, 1365456), (16128, 1280115), (17280, 1194774), (18144, 1137880), (20160, 1024092), (20736, 995645), (22680, 910304), (24192, 853410), (25920, 796516), (26880, 768069), (28447, 725760), (30240, 682728), (34560, 597387), (36288, 568940), (40320, 512046), (45360, 455152), (48384, 426705), (51840, 398258), (56894, 362880), (60480, 341364), (72576, 284470), (80640, 256023), (85341, 241920), (90720, 227576), (103680, 199129), (113788, 181440), (120960, 170682), (142235, 145152)]