61591040

素因数分解:

$2^9\times 5^1\times 7^2\times {\mathrm{491}}^1$

素因数の和:528

約数の個数: 120

約数和(自身を含む): 172134072

約数和(自身を除く): 110543032

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 491, 512, 560, 640, 784, 896, 980, 982, 1120, 1280, 1568, 1792, 1960, 1964, 2240, 2455, 2560, 3136, 3437, 3584, 3920, 3928, 4480, 4910, 6272, 6874, 7840, 7856, 8960, 9820, 12544, 13748, 15680, 15712, 17185, 17920, 19640, 24059, 25088, 27496, 31360, 31424, 34370, 39280, 48118, 54992, 62720, 62848, 68740, 78560, 96236, 109984, 120295, 125440, 125696, 137480, 157120, 192472, 219968, 240590, 251392, 274960, 314240, 384944, 439936, 481180, 549920, 628480, 769888, 879872, 962360, 1099840, 1256960, 1539776, 1759744, 1924720, 2199680, 3079552, 3849440, 4399360, 6159104, 7698880, 8798720, 12318208, 15397760, 30795520, 61591040]

約数ペア:

[(1, 61591040), (2, 30795520), (4, 15397760), (5, 12318208), (7, 8798720), (8, 7698880), (10, 6159104), (14, 4399360), (16, 3849440), (20, 3079552), (28, 2199680), (32, 1924720), (35, 1759744), (40, 1539776), (49, 1256960), (56, 1099840), (64, 962360), (70, 879872), (80, 769888), (98, 628480), (112, 549920), (128, 481180), (140, 439936), (160, 384944), (196, 314240), (224, 274960), (245, 251392), (256, 240590), (280, 219968), (320, 192472), (392, 157120), (448, 137480), (490, 125696), (491, 125440), (512, 120295), (560, 109984), (640, 96236), (784, 78560), (896, 68740), (980, 62848), (982, 62720), (1120, 54992), (1280, 48118), (1568, 39280), (1792, 34370), (1960, 31424), (1964, 31360), (2240, 27496), (2455, 25088), (2560, 24059), (3136, 19640), (3437, 17920), (3584, 17185), (3920, 15712), (3928, 15680), (4480, 13748), (4910, 12544), (6272, 9820), (6874, 8960), (7840, 7856)]