256646160

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{356453}}^1$

素因数の和:356472

約数の個数: 60

約数和(自身を含む): 861905772

約数和(自身を除く): 605259612

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, 356453, 712906, 1069359, 1425812, 1782265, 2138718, 2851624, 3208077, 3564530, 4277436, 5346795, 5703248, 6416154, 7129060, 8554872, 10693590, 12832308, 14258120, 16040385, 17109744, 21387180, 25664616, 28516240, 32080770, 42774360, 51329232, 64161540, 85548720, 128323080, 256646160]

約数ペア:

[(1, 256646160), (2, 128323080), (3, 85548720), (4, 64161540), (5, 51329232), (6, 42774360), (8, 32080770), (9, 28516240), (10, 25664616), (12, 21387180), (15, 17109744), (16, 16040385), (18, 14258120), (20, 12832308), (24, 10693590), (30, 8554872), (36, 7129060), (40, 6416154), (45, 5703248), (48, 5346795), (60, 4277436), (72, 3564530), (80, 3208077), (90, 2851624), (120, 2138718), (144, 1782265), (180, 1425812), (240, 1069359), (360, 712906), (720, 356453)]