30795520

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{491}}^1$

素因数の和:526

約数の個数: 108

約数和(自身を含む): 85982904

約数和(自身を除く): 55187384

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, 560, 640, 784, 896, 980, 982, 1120, 1280, 1568, 1792, 1960, 1964, 2240, 2455, 3136, 3437, 3920, 3928, 4480, 4910, 6272, 6874, 7840, 7856, 8960, 9820, 12544, 13748, 15680, 15712, 17185, 19640, 24059, 27496, 31360, 31424, 34370, 39280, 48118, 54992, 62720, 62848, 68740, 78560, 96236, 109984, 120295, 125696, 137480, 157120, 192472, 219968, 240590, 274960, 314240, 384944, 439936, 481180, 549920, 628480, 769888, 879872, 962360, 1099840, 1539776, 1924720, 2199680, 3079552, 3849440, 4399360, 6159104, 7698880, 15397760, 30795520]

約数ペア:

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