378640960

素因数分解:

$2^6\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2671}}^1$

素因数の和:3131

約数の個数: 56

約数和(自身を含む): 904012416

約数和(自身を除く): 525371456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 443, 886, 1772, 2215, 2671, 3544, 4430, 5342, 7088, 8860, 10684, 13355, 14176, 17720, 21368, 26710, 28352, 35440, 42736, 53420, 70880, 85472, 106840, 141760, 170944, 213680, 427360, 854720, 1183253, 2366506, 4733012, 5916265, 9466024, 11832530, 18932048, 23665060, 37864096, 47330120, 75728192, 94660240, 189320480, 378640960]

約数ペア:

[(1, 378640960), (2, 189320480), (4, 94660240), (5, 75728192), (8, 47330120), (10, 37864096), (16, 23665060), (20, 18932048), (32, 11832530), (40, 9466024), (64, 5916265), (80, 4733012), (160, 2366506), (320, 1183253), (443, 854720), (886, 427360), (1772, 213680), (2215, 170944), (2671, 141760), (3544, 106840), (4430, 85472), (5342, 70880), (7088, 53420), (8860, 42736), (10684, 35440), (13355, 28352), (14176, 26710), (17720, 21368)]