388609920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:594

約数の個数: 256

約数和(自身を含む): 1411027200

約数和(自身を除く): 1022417280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 43, 45, 48, 54, 60, 64, 72, 80, 86, 90, 96, 108, 120, 128, 129, 135, 144, 160, 172, 180, 192, 215, 216, 240, 258, 270, 288, 320, 344, 360, 384, 387, 430, 432, 480, 516, 523, 540, 576, 640, 645, 688, 720, 774, 860, 864, 960, 1032, 1046, 1080, 1152, 1161, 1290, 1376, 1440, 1548, 1569, 1720, 1728, 1920, 1935, 2064, 2092, 2160, 2322, 2580, 2615, 2752, 2880, 3096, 3138, 3440, 3456, 3870, 4128, 4184, 4320, 4644, 4707, 5160, 5230, 5504, 5760, 5805, 6192, 6276, 6880, 7740, 7845, 8256, 8368, 8640, 9288, 9414, 10320, 10460, 11610, 12384, 12552, 13760, 14121, 15480, 15690, 16512, 16736, 17280, 18576, 18828, 20640, 20920, 22489, 23220, 23535, 24768, 25104, 27520, 28242, 30960, 31380, 33472, 37152, 37656, 41280, 41840, 44978, 46440, 47070, 49536, 50208, 56484, 61920, 62760, 66944, 67467, 70605, 74304, 75312, 82560, 83680, 89956, 92880, 94140, 100416, 112445, 112968, 123840, 125520, 134934, 141210, 148608, 150624, 167360, 179912, 185760, 188280, 200832, 202401, 224890, 225936, 247680, 251040, 269868, 282420, 301248, 334720, 337335, 359824, 371520, 376560, 404802, 449780, 451872, 502080, 539736, 564840, 602496, 607203, 674670, 719648, 743040, 753120, 809604, 899560, 903744, 1004160, 1012005, 1079472, 1129680, 1214406, 1349340, 1439296, 1506240, 1619208, 1799120, 1807488, 2024010, 2158944, 2259360, 2428812, 2698680, 2878592, 3012480, 3036015, 3238416, 3598240, 4048020, 4317888, 4518720, 4857624, 5397360, 6072030, 6476832, 7196480, 8096040, 8635776, 9037440, 9715248, 10794720, 12144060, 12953664, 14392960, 16192080, 19430496, 21589440, 24288120, 25907328, 32384160, 38860992, 43178880, 48576240, 64768320, 77721984, 97152480, 129536640, 194304960, 388609920]

約数ペア:

[(1, 388609920), (2, 194304960), (3, 129536640), (4, 97152480), (5, 77721984), (6, 64768320), (8, 48576240), (9, 43178880), (10, 38860992), (12, 32384160), (15, 25907328), (16, 24288120), (18, 21589440), (20, 19430496), (24, 16192080), (27, 14392960), (30, 12953664), (32, 12144060), (36, 10794720), (40, 9715248), (43, 9037440), (45, 8635776), (48, 8096040), (54, 7196480), (60, 6476832), (64, 6072030), (72, 5397360), (80, 4857624), (86, 4518720), (90, 4317888), (96, 4048020), (108, 3598240), (120, 3238416), (128, 3036015), (129, 3012480), (135, 2878592), (144, 2698680), (160, 2428812), (172, 2259360), (180, 2158944), (192, 2024010), (215, 1807488), (216, 1799120), (240, 1619208), (258, 1506240), (270, 1439296), (288, 1349340), (320, 1214406), (344, 1129680), (360, 1079472), (384, 1012005), (387, 1004160), (430, 903744), (432, 899560), (480, 809604), (516, 753120), (523, 743040), (540, 719648), (576, 674670), (640, 607203), (645, 602496), (688, 564840), (720, 539736), (774, 502080), (860, 451872), (864, 449780), (960, 404802), (1032, 376560), (1046, 371520), (1080, 359824), (1152, 337335), (1161, 334720), (1290, 301248), (1376, 282420), (1440, 269868), (1548, 251040), (1569, 247680), (1720, 225936), (1728, 224890), (1920, 202401), (1935, 200832), (2064, 188280), (2092, 185760), (2160, 179912), (2322, 167360), (2580, 150624), (2615, 148608), (2752, 141210), (2880, 134934), (3096, 125520), (3138, 123840), (3440, 112968), (3456, 112445), (3870, 100416), (4128, 94140), (4184, 92880), (4320, 89956), (4644, 83680), (4707, 82560), (5160, 75312), (5230, 74304), (5504, 70605), (5760, 67467), (5805, 66944), (6192, 62760), (6276, 61920), (6880, 56484), (7740, 50208), (7845, 49536), (8256, 47070), (8368, 46440), (8640, 44978), (9288, 41840), (9414, 41280), (10320, 37656), (10460, 37152), (11610, 33472), (12384, 31380), (12552, 30960), (13760, 28242), (14121, 27520), (15480, 25104), (15690, 24768), (16512, 23535), (16736, 23220), (17280, 22489), (18576, 20920), (18828, 20640)]