18727440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{78031}}^1$

素因数の和:78047

約数の個数: 40

約数和(自身を含む): 58055808

約数和(自身を除く): 39328368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 78031, 156062, 234093, 312124, 390155, 468186, 624248, 780310, 936372, 1170465, 1248496, 1560620, 1872744, 2340930, 3121240, 3745488, 4681860, 6242480, 9363720, 18727440]

約数ペア:

[(1, 18727440), (2, 9363720), (3, 6242480), (4, 4681860), (5, 3745488), (6, 3121240), (8, 2340930), (10, 1872744), (12, 1560620), (15, 1248496), (16, 1170465), (20, 936372), (24, 780310), (30, 624248), (40, 468186), (48, 390155), (60, 312124), (80, 234093), (120, 156062), (240, 78031)]