781535280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{3256397}}^1$

素因数の和:3256413

約数の個数: 40

約数和(自身を含む): 2422760112

約数和(自身を除く): 1641224832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 3256397, 6512794, 9769191, 13025588, 16281985, 19538382, 26051176, 32563970, 39076764, 48845955, 52102352, 65127940, 78153528, 97691910, 130255880, 156307056, 195383820, 260511760, 390767640, 781535280]

約数ペア:

[(1, 781535280), (2, 390767640), (3, 260511760), (4, 195383820), (5, 156307056), (6, 130255880), (8, 97691910), (10, 78153528), (12, 65127940), (15, 52102352), (16, 48845955), (20, 39076764), (24, 32563970), (30, 26051176), (40, 19538382), (48, 16281985), (60, 13025588), (80, 9769191), (120, 6512794), (240, 3256397)]