420512640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{219017}}^1$

素因数の和:219039

約数の個数: 64

約数和(自身を含む): 1340390160

約数和(自身を除く): 919877520

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, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 219017, 438034, 657051, 876068, 1095085, 1314102, 1752136, 2190170, 2628204, 3285255, 3504272, 4380340, 5256408, 6570510, 7008544, 8760680, 10512816, 13141020, 14017088, 17521360, 21025632, 26282040, 28034176, 35042720, 42051264, 52564080, 70085440, 84102528, 105128160, 140170880, 210256320, 420512640]

約数ペア:

[(1, 420512640), (2, 210256320), (3, 140170880), (4, 105128160), (5, 84102528), (6, 70085440), (8, 52564080), (10, 42051264), (12, 35042720), (15, 28034176), (16, 26282040), (20, 21025632), (24, 17521360), (30, 14017088), (32, 13141020), (40, 10512816), (48, 8760680), (60, 7008544), (64, 6570510), (80, 5256408), (96, 4380340), (120, 3504272), (128, 3285255), (160, 2628204), (192, 2190170), (240, 1752136), (320, 1314102), (384, 1095085), (480, 876068), (640, 657051), (960, 438034), (1920, 219017)]