20656475550

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{613}}^1$

素因数の和:972

約数の個数: 192

約数和(自身を含む): 57787224000

約数和(自身を除く): 37130748450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 90, 109, 135, 150, 218, 225, 229, 270, 327, 450, 458, 545, 613, 654, 675, 687, 981, 1090, 1145, 1226, 1350, 1374, 1635, 1839, 1962, 2061, 2290, 2725, 2943, 3065, 3270, 3435, 3678, 4122, 4905, 5450, 5517, 5725, 5886, 6130, 6183, 6870, 8175, 9195, 9810, 10305, 11034, 11450, 12366, 14715, 15325, 16350, 16551, 17175, 18390, 20610, 24525, 24961, 27585, 29430, 30650, 30915, 33102, 34350, 45975, 49050, 49922, 51525, 55170, 61830, 66817, 73575, 74883, 82755, 91950, 103050, 124805, 133634, 137925, 140377, 147150, 149766, 154575, 165510, 200451, 224649, 249610, 275850, 280754, 309150, 334085, 374415, 400902, 413775, 421131, 449298, 601353, 624025, 668170, 673947, 701885, 748830, 827550, 842262, 1002255, 1123245, 1202706, 1248050, 1263393, 1347894, 1403770, 1670425, 1804059, 1872075, 2004510, 2105655, 2246490, 2526786, 3006765, 3340850, 3369735, 3509425, 3608118, 3744150, 3790179, 4211310, 5011275, 5616225, 6013530, 6316965, 6739470, 7018850, 7580358, 9020295, 10022550, 10528275, 11232450, 12633930, 15033825, 15301093, 16848675, 18040590, 18950895, 21056550, 30067650, 30602186, 31584825, 33697350, 37901790, 45101475, 45903279, 63169650, 76505465, 90202950, 91806558, 94754475, 137709837, 153010930, 189508950, 229516395, 275419674, 382527325, 413129511, 459032790, 688549185, 765054650, 826259022, 1147581975, 1377098370, 2065647555, 2295163950, 3442745925, 4131295110, 6885491850, 10328237775, 20656475550]

約数ペア:

[(1, 20656475550), (2, 10328237775), (3, 6885491850), (5, 4131295110), (6, 3442745925), (9, 2295163950), (10, 2065647555), (15, 1377098370), (18, 1147581975), (25, 826259022), (27, 765054650), (30, 688549185), (45, 459032790), (50, 413129511), (54, 382527325), (75, 275419674), (90, 229516395), (109, 189508950), (135, 153010930), (150, 137709837), (218, 94754475), (225, 91806558), (229, 90202950), (270, 76505465), (327, 63169650), (450, 45903279), (458, 45101475), (545, 37901790), (613, 33697350), (654, 31584825), (675, 30602186), (687, 30067650), (981, 21056550), (1090, 18950895), (1145, 18040590), (1226, 16848675), (1350, 15301093), (1374, 15033825), (1635, 12633930), (1839, 11232450), (1962, 10528275), (2061, 10022550), (2290, 9020295), (2725, 7580358), (2943, 7018850), (3065, 6739470), (3270, 6316965), (3435, 6013530), (3678, 5616225), (4122, 5011275), (4905, 4211310), (5450, 3790179), (5517, 3744150), (5725, 3608118), (5886, 3509425), (6130, 3369735), (6183, 3340850), (6870, 3006765), (8175, 2526786), (9195, 2246490), (9810, 2105655), (10305, 2004510), (11034, 1872075), (11450, 1804059), (12366, 1670425), (14715, 1403770), (15325, 1347894), (16350, 1263393), (16551, 1248050), (17175, 1202706), (18390, 1123245), (20610, 1002255), (24525, 842262), (24961, 827550), (27585, 748830), (29430, 701885), (30650, 673947), (30915, 668170), (33102, 624025), (34350, 601353), (45975, 449298), (49050, 421131), (49922, 413775), (51525, 400902), (55170, 374415), (61830, 334085), (66817, 309150), (73575, 280754), (74883, 275850), (82755, 249610), (91950, 224649), (103050, 200451), (124805, 165510), (133634, 154575), (137925, 149766), (140377, 147150)]