257940240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1074751}}^1$

素因数の和:1074767

約数の個数: 40

約数和(自身を含む): 799615488

約数和(自身を除く): 541675248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1074751, 2149502, 3224253, 4299004, 5373755, 6448506, 8598008, 10747510, 12897012, 16121265, 17196016, 21495020, 25794024, 32242530, 42990040, 51588048, 64485060, 85980080, 128970120, 257940240]

約数ペア:

[(1, 257940240), (2, 128970120), (3, 85980080), (4, 64485060), (5, 51588048), (6, 42990040), (8, 32242530), (10, 25794024), (12, 21495020), (15, 17196016), (16, 16121265), (20, 12897012), (24, 10747510), (30, 8598008), (40, 6448506), (48, 5373755), (60, 4299004), (80, 3224253), (120, 2149502), (240, 1074751)]