256761720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{713227}}^1$

素因数の和:713244

約数の個数: 48

約数和(自身を含む): 834476760

約数和(自身を除く): 577715040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 713227, 1426454, 2139681, 2852908, 3566135, 4279362, 5705816, 6419043, 7132270, 8558724, 10698405, 12838086, 14264540, 17117448, 21396810, 25676172, 28529080, 32095215, 42793620, 51352344, 64190430, 85587240, 128380860, 256761720]

約数ペア:

[(1, 256761720), (2, 128380860), (3, 85587240), (4, 64190430), (5, 51352344), (6, 42793620), (8, 32095215), (9, 28529080), (10, 25676172), (12, 21396810), (15, 17117448), (18, 14264540), (20, 12838086), (24, 10698405), (30, 8558724), (36, 7132270), (40, 6419043), (45, 5705816), (60, 4279362), (72, 3566135), (90, 2852908), (120, 2139681), (180, 1426454), (360, 713227)]