128656380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{2144273}}^1$

素因数の和:2144285

約数の個数: 24

約数和(自身を含む): 360238032

約数和(自身を除く): 231581652

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 2144273, 4288546, 6432819, 8577092, 10721365, 12865638, 21442730, 25731276, 32164095, 42885460, 64328190, 128656380]

約数ペア:

[(1, 128656380), (2, 64328190), (3, 42885460), (4, 32164095), (5, 25731276), (6, 21442730), (10, 12865638), (12, 10721365), (15, 8577092), (20, 6432819), (30, 4288546), (60, 2144273)]