30717240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{255977}}^1$

素因数の和:255991

約数の個数: 32

約数和(自身を含む): 92152080

約数和(自身を除く): 61434840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 255977, 511954, 767931, 1023908, 1279885, 1535862, 2047816, 2559770, 3071724, 3839655, 5119540, 6143448, 7679310, 10239080, 15358620, 30717240]

約数ペア:

[(1, 30717240), (2, 15358620), (3, 10239080), (4, 7679310), (5, 6143448), (6, 5119540), (8, 3839655), (10, 3071724), (12, 2559770), (15, 2047816), (20, 1535862), (24, 1279885), (30, 1023908), (40, 767931), (60, 511954), (120, 255977)]