20354440960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:479

約数の個数: 288

約数和(自身を含む): 57228337152

約数和(自身を除く): 36873896192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 167, 223, 224, 244, 256, 280, 305, 320, 334, 427, 446, 448, 488, 560, 610, 640, 668, 835, 854, 892, 896, 976, 1115, 1120, 1169, 1220, 1280, 1336, 1561, 1670, 1708, 1784, 1792, 1952, 2135, 2230, 2240, 2338, 2440, 2672, 3122, 3340, 3416, 3568, 3904, 4270, 4460, 4480, 4676, 4880, 5344, 5845, 6244, 6680, 6832, 7136, 7805, 7808, 8540, 8920, 8960, 9352, 9760, 10187, 10688, 11690, 12488, 13360, 13603, 13664, 14272, 15610, 15616, 17080, 17840, 18704, 19520, 20374, 21376, 23380, 24976, 26720, 27206, 27328, 28544, 31220, 34160, 35680, 37241, 37408, 39040, 40748, 42752, 46760, 49952, 50935, 53440, 54412, 54656, 57088, 62440, 68015, 68320, 71309, 71360, 74482, 74816, 78080, 81496, 93520, 95221, 99904, 101870, 106880, 108824, 109312, 124880, 136030, 136640, 142618, 142720, 148964, 149632, 162992, 186205, 187040, 190442, 199808, 203740, 213760, 217648, 249760, 260687, 272060, 273280, 285236, 285440, 297928, 299264, 325984, 356545, 372410, 374080, 380884, 399616, 407480, 435296, 476105, 499520, 521374, 544120, 546560, 570472, 595856, 651968, 713090, 744820, 748160, 761768, 814960, 870592, 952210, 999040, 1042748, 1088240, 1140944, 1191712, 1303435, 1303936, 1426180, 1489640, 1496320, 1523536, 1629920, 1741184, 1904420, 1998080, 2085496, 2176480, 2271701, 2281888, 2383424, 2606870, 2607872, 2852360, 2979280, 3047072, 3259840, 3482368, 3808840, 4170992, 4352960, 4543402, 4563776, 4766848, 5213740, 5704720, 5958560, 6094144, 6519680, 7617680, 8341984, 8705920, 9086804, 9127552, 9533696, 10427480, 11358505, 11409440, 11917120, 12188288, 13039360, 15235360, 15901907, 16683968, 17411840, 18173608, 18255104, 20854960, 22717010, 22818880, 23834240, 24376576, 30470720, 31803814, 33367936, 36347216, 41709920, 45434020, 45637760, 47668480, 60941440, 63607628, 66735872, 72694432, 79509535, 83419840, 90868040, 91275520, 121882880, 127215256, 145388864, 159019070, 166839680, 181736080, 254430512, 290777728, 318038140, 333679360, 363472160, 508861024, 581555456, 636076280, 726944320, 1017722048, 1272152560, 1453888640, 2035444096, 2544305120, 2907777280, 4070888192, 5088610240, 10177220480, 20354440960]

約数ペア:

[(1, 20354440960), (2, 10177220480), (4, 5088610240), (5, 4070888192), (7, 2907777280), (8, 2544305120), (10, 2035444096), (14, 1453888640), (16, 1272152560), (20, 1017722048), (28, 726944320), (32, 636076280), (35, 581555456), (40, 508861024), (56, 363472160), (61, 333679360), (64, 318038140), (70, 290777728), (80, 254430512), (112, 181736080), (122, 166839680), (128, 159019070), (140, 145388864), (160, 127215256), (167, 121882880), (223, 91275520), (224, 90868040), (244, 83419840), (256, 79509535), (280, 72694432), (305, 66735872), (320, 63607628), (334, 60941440), (427, 47668480), (446, 45637760), (448, 45434020), (488, 41709920), (560, 36347216), (610, 33367936), (640, 31803814), (668, 30470720), (835, 24376576), (854, 23834240), (892, 22818880), (896, 22717010), (976, 20854960), (1115, 18255104), (1120, 18173608), (1169, 17411840), (1220, 16683968), (1280, 15901907), (1336, 15235360), (1561, 13039360), (1670, 12188288), (1708, 11917120), (1784, 11409440), (1792, 11358505), (1952, 10427480), (2135, 9533696), (2230, 9127552), (2240, 9086804), (2338, 8705920), (2440, 8341984), (2672, 7617680), (3122, 6519680), (3340, 6094144), (3416, 5958560), (3568, 5704720), (3904, 5213740), (4270, 4766848), (4460, 4563776), (4480, 4543402), (4676, 4352960), (4880, 4170992), (5344, 3808840), (5845, 3482368), (6244, 3259840), (6680, 3047072), (6832, 2979280), (7136, 2852360), (7805, 2607872), (7808, 2606870), (8540, 2383424), (8920, 2281888), (8960, 2271701), (9352, 2176480), (9760, 2085496), (10187, 1998080), (10688, 1904420), (11690, 1741184), (12488, 1629920), (13360, 1523536), (13603, 1496320), (13664, 1489640), (14272, 1426180), (15610, 1303936), (15616, 1303435), (17080, 1191712), (17840, 1140944), (18704, 1088240), (19520, 1042748), (20374, 999040), (21376, 952210), (23380, 870592), (24976, 814960), (26720, 761768), (27206, 748160), (27328, 744820), (28544, 713090), (31220, 651968), (34160, 595856), (35680, 570472), (37241, 546560), (37408, 544120), (39040, 521374), (40748, 499520), (42752, 476105), (46760, 435296), (49952, 407480), (50935, 399616), (53440, 380884), (54412, 374080), (54656, 372410), (57088, 356545), (62440, 325984), (68015, 299264), (68320, 297928), (71309, 285440), (71360, 285236), (74482, 273280), (74816, 272060), (78080, 260687), (81496, 249760), (93520, 217648), (95221, 213760), (99904, 203740), (101870, 199808), (106880, 190442), (108824, 187040), (109312, 186205), (124880, 162992), (136030, 149632), (136640, 148964), (142618, 142720)]