8798720

素因数分解:

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

素因数の和:521

約数の個数: 80

約数和(自身を含む): 24159168

約数和(自身を除く): 15360448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 491, 512, 560, 640, 896, 982, 1120, 1280, 1792, 1964, 2240, 2455, 2560, 3437, 3584, 3928, 4480, 4910, 6874, 7856, 8960, 9820, 13748, 15712, 17185, 17920, 19640, 27496, 31424, 34370, 39280, 54992, 62848, 68740, 78560, 109984, 125696, 137480, 157120, 219968, 251392, 274960, 314240, 439936, 549920, 628480, 879872, 1099840, 1256960, 1759744, 2199680, 4399360, 8798720]

約数ペア:

[(1, 8798720), (2, 4399360), (4, 2199680), (5, 1759744), (7, 1256960), (8, 1099840), (10, 879872), (14, 628480), (16, 549920), (20, 439936), (28, 314240), (32, 274960), (35, 251392), (40, 219968), (56, 157120), (64, 137480), (70, 125696), (80, 109984), (112, 78560), (128, 68740), (140, 62848), (160, 54992), (224, 39280), (256, 34370), (280, 31424), (320, 27496), (448, 19640), (491, 17920), (512, 17185), (560, 15712), (640, 13748), (896, 9820), (982, 8960), (1120, 7856), (1280, 6874), (1792, 4910), (1964, 4480), (2240, 3928), (2455, 3584), (2560, 3437)]