28790280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{79973}}^1$

素因数の和:79990

約数の個数: 48

約数和(自身を含む): 93569580

約数和(自身を除く): 64779300

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, 79973, 159946, 239919, 319892, 399865, 479838, 639784, 719757, 799730, 959676, 1199595, 1439514, 1599460, 1919352, 2399190, 2879028, 3198920, 3598785, 4798380, 5758056, 7197570, 9596760, 14395140, 28790280]

約数ペア:

[(1, 28790280), (2, 14395140), (3, 9596760), (4, 7197570), (5, 5758056), (6, 4798380), (8, 3598785), (9, 3198920), (10, 2879028), (12, 2399190), (15, 1919352), (18, 1599460), (20, 1439514), (24, 1199595), (30, 959676), (36, 799730), (40, 719757), (45, 639784), (60, 479838), (72, 399865), (90, 319892), (120, 239919), (180, 159946), (360, 79973)]