479280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1997}}^1$

素因数の和:2013

約数の個数: 40

約数和(自身を含む): 1486512

約数和(自身を除く): 1007232

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1997, 3994, 5991, 7988, 9985, 11982, 15976, 19970, 23964, 29955, 31952, 39940, 47928, 59910, 79880, 95856, 119820, 159760, 239640, 479280]

約数ペア:

[(1, 479280), (2, 239640), (3, 159760), (4, 119820), (5, 95856), (6, 79880), (8, 59910), (10, 47928), (12, 39940), (15, 31952), (16, 29955), (20, 23964), (24, 19970), (30, 15976), (40, 11982), (48, 9985), (60, 7988), (80, 5991), (120, 3994), (240, 1997)]