19206720

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1$

素因数の和:64

約数の個数: 336

約数和(自身を含む): 77663040

約数和(自身を除く): 58456320

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, 130, 135, 144, 152, 156, 160, 162, 171, 180, 190, 192, 195, 208, 216, 228, 234, 240, 243, 247, 260, 270, 285, 288, 304, 312, 320, 324, 342, 351, 360, 380, 390, 405, 416, 432, 456, 468, 480, 486, 494, 513, 520, 540, 570, 576, 585, 608, 624, 648, 684, 702, 720, 741, 760, 780, 810, 832, 855, 864, 912, 936, 960, 972, 988, 1026, 1040, 1053, 1080, 1140, 1170, 1215, 1216, 1235, 1248, 1296, 1368, 1404, 1440, 1482, 1520, 1539, 1560, 1620, 1710, 1728, 1755, 1824, 1872, 1944, 1976, 2052, 2080, 2106, 2160, 2223, 2280, 2340, 2430, 2470, 2496, 2565, 2592, 2736, 2808, 2880, 2964, 3040, 3078, 3120, 3159, 3240, 3420, 3510, 3648, 3705, 3744, 3888, 3952, 4104, 4160, 4212, 4320, 4446, 4560, 4617, 4680, 4860, 4940, 5130, 5184, 5265, 5472, 5616, 5928, 6080, 6156, 6240, 6318, 6480, 6669, 6840, 7020, 7410, 7488, 7695, 7776, 7904, 8208, 8424, 8640, 8892, 9120, 9234, 9360, 9720, 9880, 10260, 10530, 10944, 11115, 11232, 11856, 12312, 12480, 12636, 12960, 13338, 13680, 14040, 14820, 15390, 15552, 15795, 15808, 16416, 16848, 17784, 18240, 18468, 18720, 19440, 19760, 20007, 20520, 21060, 22230, 22464, 23085, 23712, 24624, 25272, 25920, 26676, 27360, 28080, 29640, 30780, 31590, 32832, 33345, 33696, 35568, 36936, 37440, 38880, 39520, 40014, 41040, 42120, 44460, 46170, 47424, 49248, 50544, 53352, 54720, 56160, 59280, 60021, 61560, 63180, 66690, 67392, 71136, 73872, 77760, 79040, 80028, 82080, 84240, 88920, 92340, 98496, 100035, 101088, 106704, 112320, 118560, 120042, 123120, 126360, 133380, 142272, 147744, 160056, 164160, 168480, 177840, 184680, 200070, 202176, 213408, 237120, 240084, 246240, 252720, 266760, 295488, 300105, 320112, 336960, 355680, 369360, 400140, 426816, 480168, 492480, 505440, 533520, 600210, 640224, 711360, 738720, 800280, 960336, 1010880, 1067040, 1200420, 1280448, 1477440, 1600560, 1920672, 2134080, 2400840, 3201120, 3841344, 4801680, 6402240, 9603360, 19206720]

約数ペア:

[(1, 19206720), (2, 9603360), (3, 6402240), (4, 4801680), (5, 3841344), (6, 3201120), (8, 2400840), (9, 2134080), (10, 1920672), (12, 1600560), (13, 1477440), (15, 1280448), (16, 1200420), (18, 1067040), (19, 1010880), (20, 960336), (24, 800280), (26, 738720), (27, 711360), (30, 640224), (32, 600210), (36, 533520), (38, 505440), (39, 492480), (40, 480168), (45, 426816), (48, 400140), (52, 369360), (54, 355680), (57, 336960), (60, 320112), (64, 300105), (65, 295488), (72, 266760), (76, 252720), (78, 246240), (80, 240084), (81, 237120), (90, 213408), (95, 202176), (96, 200070), (104, 184680), (108, 177840), (114, 168480), (117, 164160), (120, 160056), (130, 147744), (135, 142272), (144, 133380), (152, 126360), (156, 123120), (160, 120042), (162, 118560), (171, 112320), (180, 106704), (190, 101088), (192, 100035), (195, 98496), (208, 92340), (216, 88920), (228, 84240), (234, 82080), (240, 80028), (243, 79040), (247, 77760), (260, 73872), (270, 71136), (285, 67392), (288, 66690), (304, 63180), (312, 61560), (320, 60021), (324, 59280), (342, 56160), (351, 54720), (360, 53352), (380, 50544), (390, 49248), (405, 47424), (416, 46170), (432, 44460), (456, 42120), (468, 41040), (480, 40014), (486, 39520), (494, 38880), (513, 37440), (520, 36936), (540, 35568), (570, 33696), (576, 33345), (585, 32832), (608, 31590), (624, 30780), (648, 29640), (684, 28080), (702, 27360), (720, 26676), (741, 25920), (760, 25272), (780, 24624), (810, 23712), (832, 23085), (855, 22464), (864, 22230), (912, 21060), (936, 20520), (960, 20007), (972, 19760), (988, 19440), (1026, 18720), (1040, 18468), (1053, 18240), (1080, 17784), (1140, 16848), (1170, 16416), (1215, 15808), (1216, 15795), (1235, 15552), (1248, 15390), (1296, 14820), (1368, 14040), (1404, 13680), (1440, 13338), (1482, 12960), (1520, 12636), (1539, 12480), (1560, 12312), (1620, 11856), (1710, 11232), (1728, 11115), (1755, 10944), (1824, 10530), (1872, 10260), (1944, 9880), (1976, 9720), (2052, 9360), (2080, 9234), (2106, 9120), (2160, 8892), (2223, 8640), (2280, 8424), (2340, 8208), (2430, 7904), (2470, 7776), (2496, 7695), (2565, 7488), (2592, 7410), (2736, 7020), (2808, 6840), (2880, 6669), (2964, 6480), (3040, 6318), (3078, 6240), (3120, 6156), (3159, 6080), (3240, 5928), (3420, 5616), (3510, 5472), (3648, 5265), (3705, 5184), (3744, 5130), (3888, 4940), (3952, 4860), (4104, 4680), (4160, 4617), (4212, 4560), (4320, 4446)]