221720640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{230959}}^1$

素因数の和:230979

約数の個数: 56

約数和(自身を含む): 703966080

約数和(自身を除く): 482245440

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, 230959, 461918, 692877, 923836, 1154795, 1385754, 1847672, 2309590, 2771508, 3464385, 3695344, 4619180, 5543016, 6928770, 7390688, 9238360, 11086032, 13857540, 14781376, 18476720, 22172064, 27715080, 36953440, 44344128, 55430160, 73906880, 110860320, 221720640]

約数ペア:

[(1, 221720640), (2, 110860320), (3, 73906880), (4, 55430160), (5, 44344128), (6, 36953440), (8, 27715080), (10, 22172064), (12, 18476720), (15, 14781376), (16, 13857540), (20, 11086032), (24, 9238360), (30, 7390688), (32, 6928770), (40, 5543016), (48, 4619180), (60, 3695344), (64, 3464385), (80, 2771508), (96, 2309590), (120, 1847672), (160, 1385754), (192, 1154795), (240, 923836), (320, 692877), (480, 461918), (960, 230959)]