78898560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 256

約数和(自身を含む): 282744000

約数和(自身を除く): 203845440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 29, 30, 32, 39, 40, 48, 52, 58, 60, 64, 65, 78, 80, 87, 96, 104, 109, 116, 120, 128, 130, 145, 156, 160, 174, 192, 195, 208, 218, 232, 240, 260, 290, 312, 320, 327, 348, 377, 384, 390, 416, 435, 436, 464, 480, 520, 545, 580, 624, 640, 654, 696, 754, 780, 832, 870, 872, 928, 960, 1040, 1090, 1131, 1160, 1248, 1308, 1392, 1417, 1508, 1560, 1635, 1664, 1740, 1744, 1856, 1885, 1920, 2080, 2180, 2262, 2320, 2496, 2616, 2784, 2834, 3016, 3120, 3161, 3270, 3480, 3488, 3712, 3770, 4160, 4251, 4360, 4524, 4640, 4992, 5232, 5568, 5655, 5668, 6032, 6240, 6322, 6540, 6960, 6976, 7085, 7540, 8320, 8502, 8720, 9048, 9280, 9483, 10464, 11136, 11310, 11336, 12064, 12480, 12644, 13080, 13920, 13952, 14170, 15080, 15805, 17004, 17440, 18096, 18560, 18966, 20928, 21255, 22620, 22672, 24128, 24960, 25288, 26160, 27840, 28340, 30160, 31610, 34008, 34880, 36192, 37932, 41093, 41856, 42510, 45240, 45344, 47415, 48256, 50576, 52320, 55680, 56680, 60320, 63220, 68016, 69760, 72384, 75864, 82186, 85020, 90480, 90688, 94830, 101152, 104640, 113360, 120640, 123279, 126440, 136032, 144768, 151728, 164372, 170040, 180960, 181376, 189660, 202304, 205465, 209280, 226720, 241280, 246558, 252880, 272064, 303456, 328744, 340080, 361920, 379320, 404608, 410930, 453440, 493116, 505760, 544128, 606912, 616395, 657488, 680160, 723840, 758640, 821860, 906880, 986232, 1011520, 1213824, 1232790, 1314976, 1360320, 1517280, 1643720, 1972464, 2023040, 2465580, 2629952, 2720640, 3034560, 3287440, 3944928, 4931160, 5259904, 6069120, 6574880, 7889856, 9862320, 13149760, 15779712, 19724640, 26299520, 39449280, 78898560]

約数ペア:

[(1, 78898560), (2, 39449280), (3, 26299520), (4, 19724640), (5, 15779712), (6, 13149760), (8, 9862320), (10, 7889856), (12, 6574880), (13, 6069120), (15, 5259904), (16, 4931160), (20, 3944928), (24, 3287440), (26, 3034560), (29, 2720640), (30, 2629952), (32, 2465580), (39, 2023040), (40, 1972464), (48, 1643720), (52, 1517280), (58, 1360320), (60, 1314976), (64, 1232790), (65, 1213824), (78, 1011520), (80, 986232), (87, 906880), (96, 821860), (104, 758640), (109, 723840), (116, 680160), (120, 657488), (128, 616395), (130, 606912), (145, 544128), (156, 505760), (160, 493116), (174, 453440), (192, 410930), (195, 404608), (208, 379320), (218, 361920), (232, 340080), (240, 328744), (260, 303456), (290, 272064), (312, 252880), (320, 246558), (327, 241280), (348, 226720), (377, 209280), (384, 205465), (390, 202304), (416, 189660), (435, 181376), (436, 180960), (464, 170040), (480, 164372), (520, 151728), (545, 144768), (580, 136032), (624, 126440), (640, 123279), (654, 120640), (696, 113360), (754, 104640), (780, 101152), (832, 94830), (870, 90688), (872, 90480), (928, 85020), (960, 82186), (1040, 75864), (1090, 72384), (1131, 69760), (1160, 68016), (1248, 63220), (1308, 60320), (1392, 56680), (1417, 55680), (1508, 52320), (1560, 50576), (1635, 48256), (1664, 47415), (1740, 45344), (1744, 45240), (1856, 42510), (1885, 41856), (1920, 41093), (2080, 37932), (2180, 36192), (2262, 34880), (2320, 34008), (2496, 31610), (2616, 30160), (2784, 28340), (2834, 27840), (3016, 26160), (3120, 25288), (3161, 24960), (3270, 24128), (3480, 22672), (3488, 22620), (3712, 21255), (3770, 20928), (4160, 18966), (4251, 18560), (4360, 18096), (4524, 17440), (4640, 17004), (4992, 15805), (5232, 15080), (5568, 14170), (5655, 13952), (5668, 13920), (6032, 13080), (6240, 12644), (6322, 12480), (6540, 12064), (6960, 11336), (6976, 11310), (7085, 11136), (7540, 10464), (8320, 9483), (8502, 9280), (8720, 9048)]