19666272640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:593

約数の個数: 256

約数和(自身を含む): 54890035200

約数和(自身を除く): 35223762560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 128, 140, 158, 160, 181, 224, 280, 307, 316, 320, 362, 395, 448, 553, 560, 614, 632, 640, 724, 790, 896, 905, 1106, 1120, 1228, 1264, 1267, 1448, 1535, 1580, 1810, 2149, 2212, 2240, 2456, 2528, 2534, 2765, 2896, 3070, 3160, 3620, 4298, 4424, 4480, 4912, 5056, 5068, 5530, 5792, 6140, 6320, 6335, 7240, 8596, 8848, 9824, 10112, 10136, 10745, 11060, 11584, 12280, 12640, 12670, 14299, 14480, 17192, 17696, 19648, 20272, 21490, 22120, 23168, 24253, 24560, 25280, 25340, 28598, 28960, 34384, 35392, 39296, 40544, 42980, 44240, 48506, 49120, 50560, 50680, 55567, 57196, 57920, 68768, 70784, 71495, 81088, 85960, 88480, 97012, 98240, 100093, 101360, 111134, 114392, 115840, 121265, 137536, 142990, 162176, 169771, 171920, 176960, 194024, 196480, 200186, 202720, 222268, 228784, 242530, 275072, 277835, 285980, 339542, 343840, 353920, 388048, 388969, 400372, 405440, 444536, 457568, 485060, 500465, 555670, 571960, 679084, 687680, 776096, 777938, 800744, 810880, 848855, 889072, 915136, 970120, 1000930, 1111340, 1143920, 1358168, 1375360, 1552192, 1555876, 1601488, 1697710, 1778144, 1830272, 1940240, 1944845, 2001860, 2222680, 2287840, 2716336, 3104384, 3111752, 3202976, 3395420, 3556288, 3880480, 3889690, 4003720, 4389793, 4445360, 4575680, 5432672, 6223504, 6405952, 6790840, 7112576, 7760960, 7779380, 8007440, 8779586, 8890720, 9151360, 10865344, 12447008, 12811904, 13581680, 15521920, 15558760, 16014880, 17559172, 17781440, 21730688, 21948965, 24894016, 27163360, 30728551, 31117520, 32029760, 35118344, 35562880, 43897930, 49788032, 54326720, 61457102, 62235040, 64059520, 70236688, 87795860, 108653440, 122914204, 124470080, 140473376, 153642755, 175591720, 245828408, 248940160, 280946752, 307285510, 351183440, 491656816, 561893504, 614571020, 702366880, 983313632, 1229142040, 1404733760, 1966627264, 2458284080, 2809467520, 3933254528, 4916568160, 9833136320, 19666272640]

約数ペア:

[(1, 19666272640), (2, 9833136320), (4, 4916568160), (5, 3933254528), (7, 2809467520), (8, 2458284080), (10, 1966627264), (14, 1404733760), (16, 1229142040), (20, 983313632), (28, 702366880), (32, 614571020), (35, 561893504), (40, 491656816), (56, 351183440), (64, 307285510), (70, 280946752), (79, 248940160), (80, 245828408), (112, 175591720), (128, 153642755), (140, 140473376), (158, 124470080), (160, 122914204), (181, 108653440), (224, 87795860), (280, 70236688), (307, 64059520), (316, 62235040), (320, 61457102), (362, 54326720), (395, 49788032), (448, 43897930), (553, 35562880), (560, 35118344), (614, 32029760), (632, 31117520), (640, 30728551), (724, 27163360), (790, 24894016), (896, 21948965), (905, 21730688), (1106, 17781440), (1120, 17559172), (1228, 16014880), (1264, 15558760), (1267, 15521920), (1448, 13581680), (1535, 12811904), (1580, 12447008), (1810, 10865344), (2149, 9151360), (2212, 8890720), (2240, 8779586), (2456, 8007440), (2528, 7779380), (2534, 7760960), (2765, 7112576), (2896, 6790840), (3070, 6405952), (3160, 6223504), (3620, 5432672), (4298, 4575680), (4424, 4445360), (4480, 4389793), (4912, 4003720), (5056, 3889690), (5068, 3880480), (5530, 3556288), (5792, 3395420), (6140, 3202976), (6320, 3111752), (6335, 3104384), (7240, 2716336), (8596, 2287840), (8848, 2222680), (9824, 2001860), (10112, 1944845), (10136, 1940240), (10745, 1830272), (11060, 1778144), (11584, 1697710), (12280, 1601488), (12640, 1555876), (12670, 1552192), (14299, 1375360), (14480, 1358168), (17192, 1143920), (17696, 1111340), (19648, 1000930), (20272, 970120), (21490, 915136), (22120, 889072), (23168, 848855), (24253, 810880), (24560, 800744), (25280, 777938), (25340, 776096), (28598, 687680), (28960, 679084), (34384, 571960), (35392, 555670), (39296, 500465), (40544, 485060), (42980, 457568), (44240, 444536), (48506, 405440), (49120, 400372), (50560, 388969), (50680, 388048), (55567, 353920), (57196, 343840), (57920, 339542), (68768, 285980), (70784, 277835), (71495, 275072), (81088, 242530), (85960, 228784), (88480, 222268), (97012, 202720), (98240, 200186), (100093, 196480), (101360, 194024), (111134, 176960), (114392, 171920), (115840, 169771), (121265, 162176), (137536, 142990)]