64541640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{537847}}^1$

素因数の和:537861

約数の個数: 32

約数和(自身を含む): 193625280

約数和(自身を除く): 129083640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 537847, 1075694, 1613541, 2151388, 2689235, 3227082, 4302776, 5378470, 6454164, 8067705, 10756940, 12908328, 16135410, 21513880, 32270820, 64541640]

約数ペア:

[(1, 64541640), (2, 32270820), (3, 21513880), (4, 16135410), (5, 12908328), (6, 10756940), (8, 8067705), (10, 6454164), (12, 5378470), (15, 4302776), (20, 3227082), (24, 2689235), (30, 2151388), (40, 1613541), (60, 1075694), (120, 537847)]