245717760

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1049}}^1$

素因数の和:1134

約数の個数: 144

約数和(自身を含む): 798386400

約数和(自身を除く): 552668640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 61, 64, 80, 96, 120, 122, 128, 160, 183, 192, 240, 244, 256, 305, 320, 366, 384, 480, 488, 610, 640, 732, 768, 915, 960, 976, 1049, 1220, 1280, 1464, 1830, 1920, 1952, 2098, 2440, 2928, 3147, 3660, 3840, 3904, 4196, 4880, 5245, 5856, 6294, 7320, 7808, 8392, 9760, 10490, 11712, 12588, 14640, 15616, 15735, 16784, 19520, 20980, 23424, 25176, 29280, 31470, 33568, 39040, 41960, 46848, 50352, 58560, 62940, 63989, 67136, 78080, 83920, 100704, 117120, 125880, 127978, 134272, 167840, 191967, 201408, 234240, 251760, 255956, 268544, 319945, 335680, 383934, 402816, 503520, 511912, 639890, 671360, 767868, 805632, 959835, 1007040, 1023824, 1279780, 1342720, 1535736, 1919670, 2014080, 2047648, 2559560, 3071472, 3839340, 4028160, 4095296, 5119120, 6142944, 7678680, 8190592, 10238240, 12285888, 15357360, 16381184, 20476480, 24571776, 30714720, 40952960, 49143552, 61429440, 81905920, 122858880, 245717760]

約数ペア:

[(1, 245717760), (2, 122858880), (3, 81905920), (4, 61429440), (5, 49143552), (6, 40952960), (8, 30714720), (10, 24571776), (12, 20476480), (15, 16381184), (16, 15357360), (20, 12285888), (24, 10238240), (30, 8190592), (32, 7678680), (40, 6142944), (48, 5119120), (60, 4095296), (61, 4028160), (64, 3839340), (80, 3071472), (96, 2559560), (120, 2047648), (122, 2014080), (128, 1919670), (160, 1535736), (183, 1342720), (192, 1279780), (240, 1023824), (244, 1007040), (256, 959835), (305, 805632), (320, 767868), (366, 671360), (384, 639890), (480, 511912), (488, 503520), (610, 402816), (640, 383934), (732, 335680), (768, 319945), (915, 268544), (960, 255956), (976, 251760), (1049, 234240), (1220, 201408), (1280, 191967), (1464, 167840), (1830, 134272), (1920, 127978), (1952, 125880), (2098, 117120), (2440, 100704), (2928, 83920), (3147, 78080), (3660, 67136), (3840, 63989), (3904, 62940), (4196, 58560), (4880, 50352), (5245, 46848), (5856, 41960), (6294, 39040), (7320, 33568), (7808, 31470), (8392, 29280), (9760, 25176), (10490, 23424), (11712, 20980), (12588, 19520), (14640, 16784), (15616, 15735)]