427607680

素因数分解:

$2^7\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4099}}^1$

素因数の和:4281

約数の個数: 64

約数和(自身を含む): 1028772000

約数和(自身を除く): 601164320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 163, 320, 326, 640, 652, 815, 1304, 1630, 2608, 3260, 4099, 5216, 6520, 8198, 10432, 13040, 16396, 20495, 20864, 26080, 32792, 40990, 52160, 65584, 81980, 104320, 131168, 163960, 262336, 327920, 524672, 655840, 668137, 1311680, 1336274, 2623360, 2672548, 3340685, 5345096, 6681370, 10690192, 13362740, 21380384, 26725480, 42760768, 53450960, 85521536, 106901920, 213803840, 427607680]

約数ペア:

[(1, 427607680), (2, 213803840), (4, 106901920), (5, 85521536), (8, 53450960), (10, 42760768), (16, 26725480), (20, 21380384), (32, 13362740), (40, 10690192), (64, 6681370), (80, 5345096), (128, 3340685), (160, 2672548), (163, 2623360), (320, 1336274), (326, 1311680), (640, 668137), (652, 655840), (815, 524672), (1304, 327920), (1630, 262336), (2608, 163960), (3260, 131168), (4099, 104320), (5216, 81980), (6520, 65584), (8198, 52160), (10432, 40990), (13040, 32792), (16396, 26080), (20495, 20864)]