1278627930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{1578553}}^1$

素因数の和:1578572

約数の個数: 40

約数和(自身を含む): 3438090612

約数和(自身を除く): 2159462682

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 1578553, 3157106, 4735659, 7892765, 9471318, 14206977, 15785530, 23678295, 28413954, 42620931, 47356590, 71034885, 85241862, 127862793, 142069770, 213104655, 255725586, 426209310, 639313965, 1278627930]

約数ペア:

[(1, 1278627930), (2, 639313965), (3, 426209310), (5, 255725586), (6, 213104655), (9, 142069770), (10, 127862793), (15, 85241862), (18, 71034885), (27, 47356590), (30, 42620931), (45, 28413954), (54, 23678295), (81, 15785530), (90, 14206977), (135, 9471318), (162, 7892765), (270, 4735659), (405, 3157106), (810, 1578553)]