20749470720

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{541}}^1$

素因数の和:807

約数の個数: 352

約数和(自身を含む): 72852500736

約数和(自身を除く): 52103030016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 227, 240, 256, 264, 320, 330, 352, 384, 440, 454, 480, 512, 528, 541, 640, 660, 681, 704, 768, 880, 908, 960, 1024, 1056, 1082, 1135, 1280, 1320, 1362, 1408, 1536, 1623, 1760, 1816, 1920, 2112, 2164, 2270, 2497, 2560, 2640, 2705, 2724, 2816, 3072, 3246, 3405, 3520, 3632, 3840, 4224, 4328, 4540, 4994, 5120, 5280, 5410, 5448, 5632, 5951, 6492, 6810, 7040, 7264, 7491, 7680, 8115, 8448, 8656, 9080, 9988, 10560, 10820, 10896, 11264, 11902, 12485, 12984, 13620, 14080, 14528, 14982, 15360, 16230, 16896, 17312, 17853, 18160, 19976, 21120, 21640, 21792, 23804, 24970, 25968, 27240, 28160, 29056, 29755, 29964, 32460, 33792, 34624, 35706, 36320, 37455, 39952, 42240, 43280, 43584, 47608, 49940, 51936, 54480, 56320, 58112, 59510, 59928, 64920, 69248, 71412, 72640, 74910, 79904, 84480, 86560, 87168, 89265, 95216, 99880, 103872, 108960, 116224, 119020, 119856, 122807, 129840, 138496, 142824, 145280, 149820, 159808, 168960, 173120, 174336, 178530, 190432, 199760, 207744, 217920, 232448, 238040, 239712, 245614, 259680, 276992, 285648, 290560, 299640, 319616, 346240, 348672, 357060, 368421, 380864, 399520, 415488, 435840, 476080, 479424, 491228, 519360, 553984, 571296, 581120, 599280, 614035, 639232, 692480, 697344, 714120, 736842, 761728, 799040, 830976, 871680, 952160, 958848, 982456, 1038720, 1142592, 1162240, 1198560, 1228070, 1278464, 1350877, 1384960, 1428240, 1473684, 1523456, 1598080, 1661952, 1743360, 1842105, 1904320, 1917696, 1964912, 2077440, 2285184, 2397120, 2456140, 2556928, 2701754, 2769920, 2856480, 2947368, 3046912, 3196160, 3486720, 3684210, 3808640, 3835392, 3929824, 4052631, 4154880, 4570368, 4794240, 4912280, 5403508, 5712960, 5894736, 6093824, 6392320, 6754385, 7368420, 7617280, 7670784, 7859648, 8105262, 8309760, 9140736, 9588480, 9824560, 10807016, 11425920, 11789472, 12784640, 13508770, 14736840, 15234560, 15719296, 16210524, 18281472, 19176960, 19649120, 20263155, 21614032, 22851840, 23578944, 27017540, 29473680, 30469120, 31438592, 32421048, 38353920, 39298240, 40526310, 43228064, 45703680, 47157888, 54035080, 58947360, 62877184, 64842096, 78596480, 81052620, 86456128, 91407360, 94315776, 108070160, 117894720, 125754368, 129684192, 157192960, 162105240, 172912256, 188631552, 216140320, 235789440, 259368384, 314385920, 324210480, 345824512, 377263104, 432280640, 471578880, 518736768, 628771840, 648420960, 691649024, 864561280, 943157760, 1037473536, 1296841920, 1383298048, 1729122560, 1886315520, 2074947072, 2593683840, 3458245120, 4149894144, 5187367680, 6916490240, 10374735360, 20749470720]

約数ペア:

[(1, 20749470720), (2, 10374735360), (3, 6916490240), (4, 5187367680), (5, 4149894144), (6, 3458245120), (8, 2593683840), (10, 2074947072), (11, 1886315520), (12, 1729122560), (15, 1383298048), (16, 1296841920), (20, 1037473536), (22, 943157760), (24, 864561280), (30, 691649024), (32, 648420960), (33, 628771840), (40, 518736768), (44, 471578880), (48, 432280640), (55, 377263104), (60, 345824512), (64, 324210480), (66, 314385920), (80, 259368384), (88, 235789440), (96, 216140320), (110, 188631552), (120, 172912256), (128, 162105240), (132, 157192960), (160, 129684192), (165, 125754368), (176, 117894720), (192, 108070160), (220, 94315776), (227, 91407360), (240, 86456128), (256, 81052620), (264, 78596480), (320, 64842096), (330, 62877184), (352, 58947360), (384, 54035080), (440, 47157888), (454, 45703680), (480, 43228064), (512, 40526310), (528, 39298240), (541, 38353920), (640, 32421048), (660, 31438592), (681, 30469120), (704, 29473680), (768, 27017540), (880, 23578944), (908, 22851840), (960, 21614032), (1024, 20263155), (1056, 19649120), (1082, 19176960), (1135, 18281472), (1280, 16210524), (1320, 15719296), (1362, 15234560), (1408, 14736840), (1536, 13508770), (1623, 12784640), (1760, 11789472), (1816, 11425920), (1920, 10807016), (2112, 9824560), (2164, 9588480), (2270, 9140736), (2497, 8309760), (2560, 8105262), (2640, 7859648), (2705, 7670784), (2724, 7617280), (2816, 7368420), (3072, 6754385), (3246, 6392320), (3405, 6093824), (3520, 5894736), (3632, 5712960), (3840, 5403508), (4224, 4912280), (4328, 4794240), (4540, 4570368), (4994, 4154880), (5120, 4052631), (5280, 3929824), (5410, 3835392), (5448, 3808640), (5632, 3684210), (5951, 3486720), (6492, 3196160), (6810, 3046912), (7040, 2947368), (7264, 2856480), (7491, 2769920), (7680, 2701754), (8115, 2556928), (8448, 2456140), (8656, 2397120), (9080, 2285184), (9988, 2077440), (10560, 1964912), (10820, 1917696), (10896, 1904320), (11264, 1842105), (11902, 1743360), (12485, 1661952), (12984, 1598080), (13620, 1523456), (14080, 1473684), (14528, 1428240), (14982, 1384960), (15360, 1350877), (16230, 1278464), (16896, 1228070), (17312, 1198560), (17853, 1162240), (18160, 1142592), (19976, 1038720), (21120, 982456), (21640, 958848), (21792, 952160), (23804, 871680), (24970, 830976), (25968, 799040), (27240, 761728), (28160, 736842), (29056, 714120), (29755, 697344), (29964, 692480), (32460, 639232), (33792, 614035), (34624, 599280), (35706, 581120), (36320, 571296), (37455, 553984), (39952, 519360), (42240, 491228), (43280, 479424), (43584, 476080), (47608, 435840), (49940, 415488), (51936, 399520), (54480, 380864), (56320, 368421), (58112, 357060), (59510, 348672), (59928, 346240), (64920, 319616), (69248, 299640), (71412, 290560), (72640, 285648), (74910, 276992), (79904, 259680), (84480, 245614), (86560, 239712), (87168, 238040), (89265, 232448), (95216, 217920), (99880, 207744), (103872, 199760), (108960, 190432), (116224, 178530), (119020, 174336), (119856, 173120), (122807, 168960), (129840, 159808), (138496, 149820), (142824, 145280)]