78794280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{218873}}^1$

素因数の和:218890

約数の個数: 48

約数和(自身を含む): 256082580

約数和(自身を除く): 177288300

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 218873, 437746, 656619, 875492, 1094365, 1313238, 1750984, 1969857, 2188730, 2626476, 3283095, 3939714, 4377460, 5252952, 6566190, 7879428, 8754920, 9849285, 13132380, 15758856, 19698570, 26264760, 39397140, 78794280]

約数ペア:

[(1, 78794280), (2, 39397140), (3, 26264760), (4, 19698570), (5, 15758856), (6, 13132380), (8, 9849285), (9, 8754920), (10, 7879428), (12, 6566190), (15, 5252952), (18, 4377460), (20, 3939714), (24, 3283095), (30, 2626476), (36, 2188730), (40, 1969857), (45, 1750984), (60, 1313238), (72, 1094365), (90, 875492), (120, 656619), (180, 437746), (360, 218873)]