1800015280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3214313}}^1$

素因数の和:3214333

約数の個数: 40

約数和(自身を含む): 4782899232

約数和(自身を除く): 2982883952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3214313, 6428626, 12857252, 16071565, 22500191, 25714504, 32143130, 45000382, 51429008, 64286260, 90000764, 112500955, 128572520, 180001528, 225001910, 257145040, 360003056, 450003820, 900007640, 1800015280]

約数ペア:

[(1, 1800015280), (2, 900007640), (4, 450003820), (5, 360003056), (7, 257145040), (8, 225001910), (10, 180001528), (14, 128572520), (16, 112500955), (20, 90000764), (28, 64286260), (35, 51429008), (40, 45000382), (56, 32143130), (70, 25714504), (80, 22500191), (112, 16071565), (140, 12857252), (280, 6428626), (560, 3214313)]