1373221280

素因数分解:

$2^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{128099}}^1$

素因数の和:128181

約数の個数: 48

約数和(自身を含む): 3292682400

約数和(自身を除く): 1919461120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 67, 80, 134, 160, 268, 335, 536, 670, 1072, 1340, 2144, 2680, 5360, 10720, 128099, 256198, 512396, 640495, 1024792, 1280990, 2049584, 2561980, 4099168, 5123960, 8582633, 10247920, 17165266, 20495840, 34330532, 42913165, 68661064, 85826330, 137322128, 171652660, 274644256, 343305320, 686610640, 1373221280]

約数ペア:

[(1, 1373221280), (2, 686610640), (4, 343305320), (5, 274644256), (8, 171652660), (10, 137322128), (16, 85826330), (20, 68661064), (32, 42913165), (40, 34330532), (67, 20495840), (80, 17165266), (134, 10247920), (160, 8582633), (268, 5123960), (335, 4099168), (536, 2561980), (670, 2049584), (1072, 1280990), (1340, 1024792), (2144, 640495), (2680, 512396), (5360, 256198), (10720, 128099)]