239280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{997}}^1$

素因数の和:1013

約数の個数: 40

約数和(自身を含む): 742512

約数和(自身を除く): 503232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 997, 1994, 2991, 3988, 4985, 5982, 7976, 9970, 11964, 14955, 15952, 19940, 23928, 29910, 39880, 47856, 59820, 79760, 119640, 239280]

約数ペア:

[(1, 239280), (2, 119640), (3, 79760), (4, 59820), (5, 47856), (6, 39880), (8, 29910), (10, 23928), (12, 19940), (15, 15952), (16, 14955), (20, 11964), (24, 9970), (30, 7976), (40, 5982), (48, 4985), (60, 3988), (80, 2991), (120, 1994), (240, 997)]