20951418480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87297577}}^1$

素因数の和:87297593

約数の個数: 40

約数和(自身を含む): 64949398032

約数和(自身を除く): 43997979552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87297577, 174595154, 261892731, 349190308, 436487885, 523785462, 698380616, 872975770, 1047570924, 1309463655, 1396761232, 1745951540, 2095141848, 2618927310, 3491903080, 4190283696, 5237854620, 6983806160, 10475709240, 20951418480]

約数ペア:

[(1, 20951418480), (2, 10475709240), (3, 6983806160), (4, 5237854620), (5, 4190283696), (6, 3491903080), (8, 2618927310), (10, 2095141848), (12, 1745951540), (15, 1396761232), (16, 1309463655), (20, 1047570924), (24, 872975770), (30, 698380616), (40, 523785462), (48, 436487885), (60, 349190308), (80, 261892731), (120, 174595154), (240, 87297577)]