51217920

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:67

約数の個数: 400

約数和(自身を含む): 207955440

約数和(自身を除く): 156737520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 19, 20, 24, 26, 27, 30, 32, 36, 38, 39, 40, 45, 48, 52, 54, 57, 60, 64, 65, 72, 76, 78, 80, 81, 90, 95, 96, 104, 108, 114, 117, 120, 128, 130, 135, 144, 152, 156, 160, 162, 171, 180, 190, 192, 195, 208, 216, 228, 234, 240, 247, 256, 260, 270, 285, 288, 304, 312, 320, 324, 342, 351, 360, 380, 384, 390, 405, 416, 432, 456, 468, 480, 494, 512, 513, 520, 540, 570, 576, 585, 608, 624, 640, 648, 684, 702, 720, 741, 760, 768, 780, 810, 832, 855, 864, 912, 936, 960, 988, 1026, 1040, 1053, 1080, 1140, 1152, 1170, 1216, 1235, 1248, 1280, 1296, 1368, 1404, 1440, 1482, 1520, 1536, 1539, 1560, 1620, 1664, 1710, 1728, 1755, 1824, 1872, 1920, 1976, 2052, 2080, 2106, 2160, 2223, 2280, 2304, 2340, 2432, 2470, 2496, 2560, 2565, 2592, 2736, 2808, 2880, 2964, 3040, 3078, 3120, 3240, 3328, 3420, 3456, 3510, 3648, 3705, 3744, 3840, 3952, 4104, 4160, 4212, 4320, 4446, 4560, 4608, 4680, 4864, 4940, 4992, 5130, 5184, 5265, 5472, 5616, 5760, 5928, 6080, 6156, 6240, 6480, 6656, 6669, 6840, 6912, 7020, 7296, 7410, 7488, 7680, 7695, 7904, 8208, 8320, 8424, 8640, 8892, 9120, 9360, 9728, 9880, 9984, 10260, 10368, 10530, 10944, 11115, 11232, 11520, 11856, 12160, 12312, 12480, 12960, 13338, 13680, 13824, 14040, 14592, 14820, 14976, 15390, 15808, 16416, 16640, 16848, 17280, 17784, 18240, 18720, 19760, 19968, 20007, 20520, 20736, 21060, 21888, 22230, 22464, 23040, 23712, 24320, 24624, 24960, 25920, 26676, 27360, 28080, 29184, 29640, 29952, 30780, 31616, 32832, 33280, 33345, 33696, 34560, 35568, 36480, 37440, 39520, 40014, 41040, 41472, 42120, 43776, 44460, 44928, 47424, 48640, 49248, 49920, 51840, 53352, 54720, 56160, 59280, 59904, 61560, 63232, 65664, 66690, 67392, 69120, 71136, 72960, 74880, 79040, 80028, 82080, 84240, 87552, 88920, 89856, 94848, 98496, 99840, 100035, 103680, 106704, 109440, 112320, 118560, 123120, 126464, 131328, 133380, 134784, 142272, 145920, 149760, 158080, 160056, 164160, 168480, 177840, 179712, 189696, 196992, 200070, 207360, 213408, 218880, 224640, 237120, 246240, 262656, 266760, 269568, 284544, 299520, 316160, 320112, 328320, 336960, 355680, 379392, 393984, 400140, 426816, 437760, 449280, 474240, 492480, 533520, 539136, 569088, 632320, 640224, 656640, 673920, 711360, 787968, 800280, 853632, 898560, 948480, 984960, 1067040, 1138176, 1280448, 1313280, 1347840, 1422720, 1600560, 1707264, 1896960, 1969920, 2134080, 2560896, 2695680, 2845440, 3201120, 3414528, 3939840, 4268160, 5121792, 5690880, 6402240, 8536320, 10243584, 12804480, 17072640, 25608960, 51217920]

約数ペア:

[(1, 51217920), (2, 25608960), (3, 17072640), (4, 12804480), (5, 10243584), (6, 8536320), (8, 6402240), (9, 5690880), (10, 5121792), (12, 4268160), (13, 3939840), (15, 3414528), (16, 3201120), (18, 2845440), (19, 2695680), (20, 2560896), (24, 2134080), (26, 1969920), (27, 1896960), (30, 1707264), (32, 1600560), (36, 1422720), (38, 1347840), (39, 1313280), (40, 1280448), (45, 1138176), (48, 1067040), (52, 984960), (54, 948480), (57, 898560), (60, 853632), (64, 800280), (65, 787968), (72, 711360), (76, 673920), (78, 656640), (80, 640224), (81, 632320), (90, 569088), (95, 539136), (96, 533520), (104, 492480), (108, 474240), (114, 449280), (117, 437760), (120, 426816), (128, 400140), (130, 393984), (135, 379392), (144, 355680), (152, 336960), (156, 328320), (160, 320112), (162, 316160), (171, 299520), (180, 284544), (190, 269568), (192, 266760), (195, 262656), (208, 246240), (216, 237120), (228, 224640), (234, 218880), (240, 213408), (247, 207360), (256, 200070), (260, 196992), (270, 189696), (285, 179712), (288, 177840), (304, 168480), (312, 164160), (320, 160056), (324, 158080), (342, 149760), (351, 145920), (360, 142272), (380, 134784), (384, 133380), (390, 131328), (405, 126464), (416, 123120), (432, 118560), (456, 112320), (468, 109440), (480, 106704), (494, 103680), (512, 100035), (513, 99840), (520, 98496), (540, 94848), (570, 89856), (576, 88920), (585, 87552), (608, 84240), (624, 82080), (640, 80028), (648, 79040), (684, 74880), (702, 72960), (720, 71136), (741, 69120), (760, 67392), (768, 66690), (780, 65664), (810, 63232), (832, 61560), (855, 59904), (864, 59280), (912, 56160), (936, 54720), (960, 53352), (988, 51840), (1026, 49920), (1040, 49248), (1053, 48640), (1080, 47424), (1140, 44928), (1152, 44460), (1170, 43776), (1216, 42120), (1235, 41472), (1248, 41040), (1280, 40014), (1296, 39520), (1368, 37440), (1404, 36480), (1440, 35568), (1482, 34560), (1520, 33696), (1536, 33345), (1539, 33280), (1560, 32832), (1620, 31616), (1664, 30780), (1710, 29952), (1728, 29640), (1755, 29184), (1824, 28080), (1872, 27360), (1920, 26676), (1976, 25920), (2052, 24960), (2080, 24624), (2106, 24320), (2160, 23712), (2223, 23040), (2280, 22464), (2304, 22230), (2340, 21888), (2432, 21060), (2470, 20736), (2496, 20520), (2560, 20007), (2565, 19968), (2592, 19760), (2736, 18720), (2808, 18240), (2880, 17784), (2964, 17280), (3040, 16848), (3078, 16640), (3120, 16416), (3240, 15808), (3328, 15390), (3420, 14976), (3456, 14820), (3510, 14592), (3648, 14040), (3705, 13824), (3744, 13680), (3840, 13338), (3952, 12960), (4104, 12480), (4160, 12312), (4212, 12160), (4320, 11856), (4446, 11520), (4560, 11232), (4608, 11115), (4680, 10944), (4864, 10530), (4940, 10368), (4992, 10260), (5130, 9984), (5184, 9880), (5265, 9728), (5472, 9360), (5616, 9120), (5760, 8892), (5928, 8640), (6080, 8424), (6156, 8320), (6240, 8208), (6480, 7904), (6656, 7695), (6669, 7680), (6840, 7488), (6912, 7410), (7020, 7296)]