389776320

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{229}}^1$

素因数の和:452

約数の個数: 224

約数和(自身を含む): 1388059200

約数和(自身を除く): 998282880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 197, 216, 229, 240, 270, 288, 320, 360, 394, 432, 458, 480, 540, 576, 591, 687, 720, 788, 864, 916, 960, 985, 1080, 1145, 1182, 1374, 1440, 1576, 1728, 1773, 1832, 1970, 2061, 2160, 2290, 2364, 2748, 2880, 2955, 3152, 3435, 3546, 3664, 3940, 4122, 4320, 4580, 4728, 5319, 5496, 5910, 6183, 6304, 6870, 7092, 7328, 7880, 8244, 8640, 8865, 9160, 9456, 10305, 10638, 10992, 11820, 12366, 12608, 13740, 14184, 14656, 15760, 16488, 17730, 18320, 18912, 20610, 21276, 21984, 23640, 24732, 26595, 27480, 28368, 30915, 31520, 32976, 35460, 36640, 37824, 41220, 42552, 43968, 45113, 47280, 49464, 53190, 54960, 56736, 61830, 63040, 65952, 70920, 73280, 82440, 85104, 90226, 94560, 98928, 106380, 109920, 113472, 123660, 131904, 135339, 141840, 164880, 170208, 180452, 189120, 197856, 212760, 219840, 225565, 247320, 270678, 283680, 329760, 340416, 360904, 395712, 406017, 425520, 451130, 494640, 541356, 567360, 659520, 676695, 721808, 812034, 851040, 902260, 989280, 1082712, 1218051, 1353390, 1443616, 1624068, 1702080, 1804520, 1978560, 2030085, 2165424, 2436102, 2706780, 2887232, 3248136, 3609040, 4060170, 4330848, 4872204, 5413560, 6090255, 6496272, 7218080, 8120340, 8661696, 9744408, 10827120, 12180510, 12992544, 14436160, 16240680, 19488816, 21654240, 24361020, 25985088, 32481360, 38977632, 43308480, 48722040, 64962720, 77955264, 97444080, 129925440, 194888160, 389776320]

約数ペア:

[(1, 389776320), (2, 194888160), (3, 129925440), (4, 97444080), (5, 77955264), (6, 64962720), (8, 48722040), (9, 43308480), (10, 38977632), (12, 32481360), (15, 25985088), (16, 24361020), (18, 21654240), (20, 19488816), (24, 16240680), (27, 14436160), (30, 12992544), (32, 12180510), (36, 10827120), (40, 9744408), (45, 8661696), (48, 8120340), (54, 7218080), (60, 6496272), (64, 6090255), (72, 5413560), (80, 4872204), (90, 4330848), (96, 4060170), (108, 3609040), (120, 3248136), (135, 2887232), (144, 2706780), (160, 2436102), (180, 2165424), (192, 2030085), (197, 1978560), (216, 1804520), (229, 1702080), (240, 1624068), (270, 1443616), (288, 1353390), (320, 1218051), (360, 1082712), (394, 989280), (432, 902260), (458, 851040), (480, 812034), (540, 721808), (576, 676695), (591, 659520), (687, 567360), (720, 541356), (788, 494640), (864, 451130), (916, 425520), (960, 406017), (985, 395712), (1080, 360904), (1145, 340416), (1182, 329760), (1374, 283680), (1440, 270678), (1576, 247320), (1728, 225565), (1773, 219840), (1832, 212760), (1970, 197856), (2061, 189120), (2160, 180452), (2290, 170208), (2364, 164880), (2748, 141840), (2880, 135339), (2955, 131904), (3152, 123660), (3435, 113472), (3546, 109920), (3664, 106380), (3940, 98928), (4122, 94560), (4320, 90226), (4580, 85104), (4728, 82440), (5319, 73280), (5496, 70920), (5910, 65952), (6183, 63040), (6304, 61830), (6870, 56736), (7092, 54960), (7328, 53190), (7880, 49464), (8244, 47280), (8640, 45113), (8865, 43968), (9160, 42552), (9456, 41220), (10305, 37824), (10638, 36640), (10992, 35460), (11820, 32976), (12366, 31520), (12608, 30915), (13740, 28368), (14184, 27480), (14656, 26595), (15760, 24732), (16488, 23640), (17730, 21984), (18320, 21276), (18912, 20610)]