1241280

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{431}}^1$

素因数の和:454

約数の個数: 84

約数和(自身を含む): 4279392

約数和(自身を除く): 3038112

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, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 431, 480, 576, 720, 862, 960, 1293, 1440, 1724, 2155, 2586, 2880, 3448, 3879, 4310, 5172, 6465, 6896, 7758, 8620, 10344, 12930, 13792, 15516, 17240, 19395, 20688, 25860, 27584, 31032, 34480, 38790, 41376, 51720, 62064, 68960, 77580, 82752, 103440, 124128, 137920, 155160, 206880, 248256, 310320, 413760, 620640, 1241280]

約数ペア:

[(1, 1241280), (2, 620640), (3, 413760), (4, 310320), (5, 248256), (6, 206880), (8, 155160), (9, 137920), (10, 124128), (12, 103440), (15, 82752), (16, 77580), (18, 68960), (20, 62064), (24, 51720), (30, 41376), (32, 38790), (36, 34480), (40, 31032), (45, 27584), (48, 25860), (60, 20688), (64, 19395), (72, 17240), (80, 15516), (90, 13792), (96, 12930), (120, 10344), (144, 8620), (160, 7758), (180, 6896), (192, 6465), (240, 5172), (288, 4310), (320, 3879), (360, 3448), (431, 2880), (480, 2586), (576, 2155), (720, 1724), (862, 1440), (960, 1293)]