28381680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{39419}}^1$

素因数の和:39438

約数の個数: 60

約数和(自身を含む): 95317560

約数和(自身を除く): 66935880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 39419, 78838, 118257, 157676, 197095, 236514, 315352, 354771, 394190, 473028, 591285, 630704, 709542, 788380, 946056, 1182570, 1419084, 1576760, 1773855, 1892112, 2365140, 2838168, 3153520, 3547710, 4730280, 5676336, 7095420, 9460560, 14190840, 28381680]

約数ペア:

[(1, 28381680), (2, 14190840), (3, 9460560), (4, 7095420), (5, 5676336), (6, 4730280), (8, 3547710), (9, 3153520), (10, 2838168), (12, 2365140), (15, 1892112), (16, 1773855), (18, 1576760), (20, 1419084), (24, 1182570), (30, 946056), (36, 788380), (40, 709542), (45, 630704), (48, 591285), (60, 473028), (72, 394190), (80, 354771), (90, 315352), (120, 236514), (144, 197095), (180, 157676), (240, 118257), (360, 78838), (720, 39419)]