11851980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{28219}}^1$

素因数の和:28238

約数の個数: 48

約数和(自身を含む): 37927680

約数和(自身を除く): 26075700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 28219, 56438, 84657, 112876, 141095, 169314, 197533, 282190, 338628, 395066, 423285, 564380, 592599, 790132, 846570, 987665, 1185198, 1693140, 1975330, 2370396, 2962995, 3950660, 5925990, 11851980]

約数ペア:

[(1, 11851980), (2, 5925990), (3, 3950660), (4, 2962995), (5, 2370396), (6, 1975330), (7, 1693140), (10, 1185198), (12, 987665), (14, 846570), (15, 790132), (20, 592599), (21, 564380), (28, 423285), (30, 395066), (35, 338628), (42, 282190), (60, 197533), (70, 169314), (84, 141095), (105, 112876), (140, 84657), (210, 56438), (420, 28219)]