49181440

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{499}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 147168000

約数和(自身を除く): 97986560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 256, 280, 308, 320, 352, 385, 440, 448, 499, 560, 616, 640, 704, 770, 880, 896, 998, 1120, 1232, 1280, 1408, 1540, 1760, 1792, 1996, 2240, 2464, 2495, 2816, 3080, 3493, 3520, 3992, 4480, 4928, 4990, 5489, 6160, 6986, 7040, 7984, 8960, 9856, 9980, 10978, 12320, 13972, 14080, 15968, 17465, 19712, 19960, 21956, 24640, 27445, 27944, 31936, 34930, 38423, 39920, 43912, 49280, 54890, 55888, 63872, 69860, 76846, 79840, 87824, 98560, 109780, 111776, 127744, 139720, 153692, 159680, 175648, 192115, 219560, 223552, 279440, 307384, 319360, 351296, 384230, 439120, 447104, 558880, 614768, 638720, 702592, 768460, 878240, 894208, 1117760, 1229536, 1405184, 1536920, 1756480, 2235520, 2459072, 3073840, 3512960, 4471040, 4918144, 6147680, 7025920, 9836288, 12295360, 24590720, 49181440]

約数ペア:

[(1, 49181440), (2, 24590720), (4, 12295360), (5, 9836288), (7, 7025920), (8, 6147680), (10, 4918144), (11, 4471040), (14, 3512960), (16, 3073840), (20, 2459072), (22, 2235520), (28, 1756480), (32, 1536920), (35, 1405184), (40, 1229536), (44, 1117760), (55, 894208), (56, 878240), (64, 768460), (70, 702592), (77, 638720), (80, 614768), (88, 558880), (110, 447104), (112, 439120), (128, 384230), (140, 351296), (154, 319360), (160, 307384), (176, 279440), (220, 223552), (224, 219560), (256, 192115), (280, 175648), (308, 159680), (320, 153692), (352, 139720), (385, 127744), (440, 111776), (448, 109780), (499, 98560), (560, 87824), (616, 79840), (640, 76846), (704, 69860), (770, 63872), (880, 55888), (896, 54890), (998, 49280), (1120, 43912), (1232, 39920), (1280, 38423), (1408, 34930), (1540, 31936), (1760, 27944), (1792, 27445), (1996, 24640), (2240, 21956), (2464, 19960), (2495, 19712), (2816, 17465), (3080, 15968), (3493, 14080), (3520, 13972), (3992, 12320), (4480, 10978), (4928, 9980), (4990, 9856), (5489, 8960), (6160, 7984), (6986, 7040)]