257752080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{357989}}^1$

素因数の和:358008

約数の個数: 60

約数和(自身を含む): 865619820

約数和(自身を除く): 607867740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 357989, 715978, 1073967, 1431956, 1789945, 2147934, 2863912, 3221901, 3579890, 4295868, 5369835, 5727824, 6443802, 7159780, 8591736, 10739670, 12887604, 14319560, 16109505, 17183472, 21479340, 25775208, 28639120, 32219010, 42958680, 51550416, 64438020, 85917360, 128876040, 257752080]

約数ペア:

[(1, 257752080), (2, 128876040), (3, 85917360), (4, 64438020), (5, 51550416), (6, 42958680), (8, 32219010), (9, 28639120), (10, 25775208), (12, 21479340), (15, 17183472), (16, 16109505), (18, 14319560), (20, 12887604), (24, 10739670), (30, 8591736), (36, 7159780), (40, 6443802), (45, 5727824), (48, 5369835), (60, 4295868), (72, 3579890), (80, 3221901), (90, 2863912), (120, 2147934), (144, 1789945), (180, 1431956), (240, 1073967), (360, 715978), (720, 357989)]