27720484480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:619

約数の個数: 256

約数和(自身を含む): 73256400000

約数和(自身を除く): 45535915520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 59, 64, 65, 80, 104, 118, 128, 130, 149, 160, 208, 236, 260, 295, 298, 320, 379, 416, 472, 520, 590, 596, 640, 745, 758, 767, 832, 944, 1040, 1180, 1192, 1490, 1516, 1534, 1664, 1888, 1895, 1937, 2080, 2360, 2384, 2980, 3032, 3068, 3776, 3790, 3835, 3874, 4160, 4720, 4768, 4927, 5960, 6064, 6136, 7552, 7580, 7670, 7748, 8320, 8791, 9440, 9536, 9685, 9854, 11920, 12128, 12272, 15160, 15340, 15496, 17582, 18880, 19072, 19370, 19708, 22361, 23840, 24256, 24544, 24635, 30320, 30680, 30992, 35164, 37760, 38740, 39416, 43955, 44722, 47680, 48512, 49088, 49270, 56471, 60640, 61360, 61984, 70328, 77480, 78832, 87910, 89444, 95360, 98176, 98540, 111805, 112942, 114283, 121280, 122720, 123968, 140656, 154960, 157664, 175820, 178888, 197080, 223610, 225884, 228566, 242560, 245440, 247936, 281312, 282355, 290693, 309920, 315328, 351640, 357776, 394160, 447220, 451768, 457132, 490880, 562624, 564710, 571415, 581386, 619840, 630656, 703280, 715552, 734123, 788320, 894440, 903536, 914264, 1125248, 1129420, 1142830, 1162772, 1239680, 1406560, 1431104, 1453465, 1468246, 1576640, 1788880, 1807072, 1828528, 2258840, 2285660, 2325544, 2813120, 2862208, 2906930, 2936492, 3153280, 3331789, 3577760, 3614144, 3657056, 3670615, 4517680, 4571320, 4651088, 5626240, 5813860, 5872984, 6663578, 7155520, 7228288, 7314112, 7341230, 9035360, 9142640, 9302176, 11627720, 11745968, 13327156, 14311040, 14628224, 14682460, 16658945, 18070720, 18285280, 18604352, 23255440, 23491936, 26654312, 29364920, 33317890, 36141440, 36570560, 37208704, 43313257, 46510880, 46983872, 53308624, 58729840, 66635780, 73141120, 86626514, 93021760, 93967744, 106617248, 117459680, 133271560, 173253028, 186043520, 213234496, 216566285, 234919360, 266543120, 346506056, 426468992, 433132570, 469838720, 533086240, 693012112, 866265140, 1066172480, 1386024224, 1732530280, 2132344960, 2772048448, 3465060560, 5544096896, 6930121120, 13860242240, 27720484480]

約数ペア:

[(1, 27720484480), (2, 13860242240), (4, 6930121120), (5, 5544096896), (8, 3465060560), (10, 2772048448), (13, 2132344960), (16, 1732530280), (20, 1386024224), (26, 1066172480), (32, 866265140), (40, 693012112), (52, 533086240), (59, 469838720), (64, 433132570), (65, 426468992), (80, 346506056), (104, 266543120), (118, 234919360), (128, 216566285), (130, 213234496), (149, 186043520), (160, 173253028), (208, 133271560), (236, 117459680), (260, 106617248), (295, 93967744), (298, 93021760), (320, 86626514), (379, 73141120), (416, 66635780), (472, 58729840), (520, 53308624), (590, 46983872), (596, 46510880), (640, 43313257), (745, 37208704), (758, 36570560), (767, 36141440), (832, 33317890), (944, 29364920), (1040, 26654312), (1180, 23491936), (1192, 23255440), (1490, 18604352), (1516, 18285280), (1534, 18070720), (1664, 16658945), (1888, 14682460), (1895, 14628224), (1937, 14311040), (2080, 13327156), (2360, 11745968), (2384, 11627720), (2980, 9302176), (3032, 9142640), (3068, 9035360), (3776, 7341230), (3790, 7314112), (3835, 7228288), (3874, 7155520), (4160, 6663578), (4720, 5872984), (4768, 5813860), (4927, 5626240), (5960, 4651088), (6064, 4571320), (6136, 4517680), (7552, 3670615), (7580, 3657056), (7670, 3614144), (7748, 3577760), (8320, 3331789), (8791, 3153280), (9440, 2936492), (9536, 2906930), (9685, 2862208), (9854, 2813120), (11920, 2325544), (12128, 2285660), (12272, 2258840), (15160, 1828528), (15340, 1807072), (15496, 1788880), (17582, 1576640), (18880, 1468246), (19072, 1453465), (19370, 1431104), (19708, 1406560), (22361, 1239680), (23840, 1162772), (24256, 1142830), (24544, 1129420), (24635, 1125248), (30320, 914264), (30680, 903536), (30992, 894440), (35164, 788320), (37760, 734123), (38740, 715552), (39416, 703280), (43955, 630656), (44722, 619840), (47680, 581386), (48512, 571415), (49088, 564710), (49270, 562624), (56471, 490880), (60640, 457132), (61360, 451768), (61984, 447220), (70328, 394160), (77480, 357776), (78832, 351640), (87910, 315328), (89444, 309920), (95360, 290693), (98176, 282355), (98540, 281312), (111805, 247936), (112942, 245440), (114283, 242560), (121280, 228566), (122720, 225884), (123968, 223610), (140656, 197080), (154960, 178888), (157664, 175820)]