257240040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{2143667}}^1$

素因数の和:2143681

約数の個数: 32

約数和(自身を含む): 771720480

約数和(自身を除く): 514480440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 2143667, 4287334, 6431001, 8574668, 10718335, 12862002, 17149336, 21436670, 25724004, 32155005, 42873340, 51448008, 64310010, 85746680, 128620020, 257240040]

約数ペア:

[(1, 257240040), (2, 128620020), (3, 85746680), (4, 64310010), (5, 51448008), (6, 42873340), (8, 32155005), (10, 25724004), (12, 21436670), (15, 17149336), (20, 12862002), (24, 10718335), (30, 8574668), (40, 6431001), (60, 4287334), (120, 2143667)]