18921120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{39419}}^1$

素因数の和:39437

約数の個数: 48

約数和(自身を含む): 59603040

約数和(自身を除く): 40681920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 39419, 78838, 118257, 157676, 197095, 236514, 315352, 394190, 473028, 591285, 630704, 788380, 946056, 1182570, 1261408, 1576760, 1892112, 2365140, 3153520, 3784224, 4730280, 6307040, 9460560, 18921120]

約数ペア:

[(1, 18921120), (2, 9460560), (3, 6307040), (4, 4730280), (5, 3784224), (6, 3153520), (8, 2365140), (10, 1892112), (12, 1576760), (15, 1261408), (16, 1182570), (20, 946056), (24, 788380), (30, 630704), (32, 591285), (40, 473028), (48, 394190), (60, 315352), (80, 236514), (96, 197095), (120, 157676), (160, 118257), (240, 78838), (480, 39419)]