128216640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{133559}}^1$

素因数の和:133579

約数の個数: 56

約数和(自身を含む): 407090880

約数和(自身を除く): 278874240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 133559, 267118, 400677, 534236, 667795, 801354, 1068472, 1335590, 1602708, 2003385, 2136944, 2671180, 3205416, 4006770, 4273888, 5342360, 6410832, 8013540, 8547776, 10684720, 12821664, 16027080, 21369440, 25643328, 32054160, 42738880, 64108320, 128216640]

約数ペア:

[(1, 128216640), (2, 64108320), (3, 42738880), (4, 32054160), (5, 25643328), (6, 21369440), (8, 16027080), (10, 12821664), (12, 10684720), (15, 8547776), (16, 8013540), (20, 6410832), (24, 5342360), (30, 4273888), (32, 4006770), (40, 3205416), (48, 2671180), (60, 2136944), (64, 2003385), (80, 1602708), (96, 1335590), (120, 1068472), (160, 801354), (192, 667795), (240, 534236), (320, 400677), (480, 267118), (960, 133559)]