399144960

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:165

約数の個数: 288

約数和(自身を含む): 1425846240

約数和(自身を除く): 1026701280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 64, 71, 72, 80, 90, 96, 120, 122, 128, 142, 144, 160, 180, 183, 192, 213, 240, 244, 256, 284, 288, 305, 320, 355, 360, 366, 384, 426, 480, 488, 512, 549, 568, 576, 610, 639, 640, 710, 720, 732, 768, 852, 915, 960, 976, 1024, 1065, 1098, 1136, 1152, 1220, 1278, 1280, 1420, 1440, 1464, 1536, 1704, 1830, 1920, 1952, 2048, 2130, 2196, 2272, 2304, 2440, 2556, 2560, 2745, 2840, 2880, 2928, 3072, 3195, 3408, 3660, 3840, 3904, 4260, 4331, 4392, 4544, 4608, 4880, 5112, 5120, 5490, 5680, 5760, 5856, 6144, 6390, 6816, 7320, 7680, 7808, 8520, 8662, 8784, 9088, 9216, 9760, 10224, 10240, 10980, 11360, 11520, 11712, 12780, 12993, 13632, 14640, 15360, 15616, 17040, 17324, 17568, 18176, 18432, 19520, 20448, 21655, 21960, 22720, 23040, 23424, 25560, 25986, 27264, 29280, 30720, 31232, 34080, 34648, 35136, 36352, 38979, 39040, 40896, 43310, 43920, 45440, 46080, 46848, 51120, 51972, 54528, 58560, 62464, 64965, 68160, 69296, 70272, 72704, 77958, 78080, 81792, 86620, 87840, 90880, 92160, 93696, 102240, 103944, 109056, 117120, 124928, 129930, 136320, 138592, 140544, 145408, 155916, 156160, 163584, 173240, 175680, 181760, 187392, 194895, 204480, 207888, 218112, 234240, 259860, 272640, 277184, 281088, 311832, 312320, 327168, 346480, 351360, 363520, 374784, 389790, 408960, 415776, 436224, 468480, 519720, 545280, 554368, 562176, 623664, 624640, 654336, 692960, 702720, 727040, 779580, 817920, 831552, 936960, 1039440, 1090560, 1108736, 1124352, 1247328, 1308672, 1385920, 1405440, 1559160, 1635840, 1663104, 1873920, 2078880, 2181120, 2217472, 2494656, 2771840, 2810880, 3118320, 3271680, 3326208, 4157760, 4434944, 4989312, 5543680, 5621760, 6236640, 6543360, 6652416, 8315520, 8869888, 9978624, 11087360, 12473280, 13304832, 16631040, 19957248, 22174720, 24946560, 26609664, 33262080, 39914496, 44349440, 49893120, 66524160, 79828992, 99786240, 133048320, 199572480, 399144960]

約数ペア:

[(1, 399144960), (2, 199572480), (3, 133048320), (4, 99786240), (5, 79828992), (6, 66524160), (8, 49893120), (9, 44349440), (10, 39914496), (12, 33262080), (15, 26609664), (16, 24946560), (18, 22174720), (20, 19957248), (24, 16631040), (30, 13304832), (32, 12473280), (36, 11087360), (40, 9978624), (45, 8869888), (48, 8315520), (60, 6652416), (61, 6543360), (64, 6236640), (71, 5621760), (72, 5543680), (80, 4989312), (90, 4434944), (96, 4157760), (120, 3326208), (122, 3271680), (128, 3118320), (142, 2810880), (144, 2771840), (160, 2494656), (180, 2217472), (183, 2181120), (192, 2078880), (213, 1873920), (240, 1663104), (244, 1635840), (256, 1559160), (284, 1405440), (288, 1385920), (305, 1308672), (320, 1247328), (355, 1124352), (360, 1108736), (366, 1090560), (384, 1039440), (426, 936960), (480, 831552), (488, 817920), (512, 779580), (549, 727040), (568, 702720), (576, 692960), (610, 654336), (639, 624640), (640, 623664), (710, 562176), (720, 554368), (732, 545280), (768, 519720), (852, 468480), (915, 436224), (960, 415776), (976, 408960), (1024, 389790), (1065, 374784), (1098, 363520), (1136, 351360), (1152, 346480), (1220, 327168), (1278, 312320), (1280, 311832), (1420, 281088), (1440, 277184), (1464, 272640), (1536, 259860), (1704, 234240), (1830, 218112), (1920, 207888), (1952, 204480), (2048, 194895), (2130, 187392), (2196, 181760), (2272, 175680), (2304, 173240), (2440, 163584), (2556, 156160), (2560, 155916), (2745, 145408), (2840, 140544), (2880, 138592), (2928, 136320), (3072, 129930), (3195, 124928), (3408, 117120), (3660, 109056), (3840, 103944), (3904, 102240), (4260, 93696), (4331, 92160), (4392, 90880), (4544, 87840), (4608, 86620), (4880, 81792), (5112, 78080), (5120, 77958), (5490, 72704), (5680, 70272), (5760, 69296), (5856, 68160), (6144, 64965), (6390, 62464), (6816, 58560), (7320, 54528), (7680, 51972), (7808, 51120), (8520, 46848), (8662, 46080), (8784, 45440), (9088, 43920), (9216, 43310), (9760, 40896), (10224, 39040), (10240, 38979), (10980, 36352), (11360, 35136), (11520, 34648), (11712, 34080), (12780, 31232), (12993, 30720), (13632, 29280), (14640, 27264), (15360, 25986), (15616, 25560), (17040, 23424), (17324, 23040), (17568, 22720), (18176, 21960), (18432, 21655), (19520, 20448)]