78468480

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:286

約数の個数: 256

約数和(自身を含む): 293760000

約数和(自身を除く): 215291520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 32, 36, 38, 40, 45, 48, 54, 57, 60, 64, 72, 76, 80, 90, 95, 96, 108, 114, 120, 128, 135, 144, 152, 160, 171, 180, 190, 192, 216, 228, 239, 240, 270, 285, 288, 304, 320, 342, 360, 380, 384, 432, 456, 478, 480, 513, 540, 570, 576, 608, 640, 684, 717, 720, 760, 855, 864, 912, 956, 960, 1026, 1080, 1140, 1152, 1195, 1216, 1368, 1434, 1440, 1520, 1710, 1728, 1824, 1912, 1920, 2052, 2151, 2160, 2280, 2390, 2432, 2565, 2736, 2868, 2880, 3040, 3420, 3456, 3585, 3648, 3824, 4104, 4302, 4320, 4541, 4560, 4780, 5130, 5472, 5736, 5760, 6080, 6453, 6840, 7170, 7296, 7648, 8208, 8604, 8640, 9082, 9120, 9560, 10260, 10755, 10944, 11472, 12160, 12906, 13623, 13680, 14340, 15296, 16416, 17208, 17280, 18164, 18240, 19120, 20520, 21510, 21888, 22705, 22944, 25812, 27246, 27360, 28680, 30592, 32265, 32832, 34416, 36328, 36480, 38240, 40869, 41040, 43020, 45410, 45888, 51624, 54492, 54720, 57360, 64530, 65664, 68115, 68832, 72656, 76480, 81738, 82080, 86040, 90820, 91776, 103248, 108984, 109440, 114720, 122607, 129060, 136230, 137664, 145312, 152960, 163476, 164160, 172080, 181640, 204345, 206496, 217968, 229440, 245214, 258120, 272460, 275328, 290624, 326952, 328320, 344160, 363280, 408690, 412992, 435936, 458880, 490428, 516240, 544920, 581248, 613035, 653904, 688320, 726560, 817380, 825984, 871872, 980856, 1032480, 1089840, 1226070, 1307808, 1376640, 1453120, 1634760, 1743744, 1961712, 2064960, 2179680, 2452140, 2615616, 2906240, 3269520, 3923424, 4129920, 4359360, 4904280, 5231232, 6539040, 7846848, 8718720, 9808560, 13078080, 15693696, 19617120, 26156160, 39234240, 78468480]

約数ペア:

[(1, 78468480), (2, 39234240), (3, 26156160), (4, 19617120), (5, 15693696), (6, 13078080), (8, 9808560), (9, 8718720), (10, 7846848), (12, 6539040), (15, 5231232), (16, 4904280), (18, 4359360), (19, 4129920), (20, 3923424), (24, 3269520), (27, 2906240), (30, 2615616), (32, 2452140), (36, 2179680), (38, 2064960), (40, 1961712), (45, 1743744), (48, 1634760), (54, 1453120), (57, 1376640), (60, 1307808), (64, 1226070), (72, 1089840), (76, 1032480), (80, 980856), (90, 871872), (95, 825984), (96, 817380), (108, 726560), (114, 688320), (120, 653904), (128, 613035), (135, 581248), (144, 544920), (152, 516240), (160, 490428), (171, 458880), (180, 435936), (190, 412992), (192, 408690), (216, 363280), (228, 344160), (239, 328320), (240, 326952), (270, 290624), (285, 275328), (288, 272460), (304, 258120), (320, 245214), (342, 229440), (360, 217968), (380, 206496), (384, 204345), (432, 181640), (456, 172080), (478, 164160), (480, 163476), (513, 152960), (540, 145312), (570, 137664), (576, 136230), (608, 129060), (640, 122607), (684, 114720), (717, 109440), (720, 108984), (760, 103248), (855, 91776), (864, 90820), (912, 86040), (956, 82080), (960, 81738), (1026, 76480), (1080, 72656), (1140, 68832), (1152, 68115), (1195, 65664), (1216, 64530), (1368, 57360), (1434, 54720), (1440, 54492), (1520, 51624), (1710, 45888), (1728, 45410), (1824, 43020), (1912, 41040), (1920, 40869), (2052, 38240), (2151, 36480), (2160, 36328), (2280, 34416), (2390, 32832), (2432, 32265), (2565, 30592), (2736, 28680), (2868, 27360), (2880, 27246), (3040, 25812), (3420, 22944), (3456, 22705), (3585, 21888), (3648, 21510), (3824, 20520), (4104, 19120), (4302, 18240), (4320, 18164), (4541, 17280), (4560, 17208), (4780, 16416), (5130, 15296), (5472, 14340), (5736, 13680), (5760, 13623), (6080, 12906), (6453, 12160), (6840, 11472), (7170, 10944), (7296, 10755), (7648, 10260), (8208, 9560), (8604, 9120), (8640, 9082)]