1780391016

素因数分解:

$2^3\times 3^5\times {\mathrm{915839}}^1$

素因数の和:915860

約数の個数: 48

約数和(自身を含む): 5000486400

約数和(自身を除く): 3220095384

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 972, 1944, 915839, 1831678, 2747517, 3663356, 5495034, 7326712, 8242551, 10990068, 16485102, 21980136, 24727653, 32970204, 49455306, 65940408, 74182959, 98910612, 148365918, 197821224, 222548877, 296731836, 445097754, 593463672, 890195508, 1780391016]

約数ペア:

[(1, 1780391016), (2, 890195508), (3, 593463672), (4, 445097754), (6, 296731836), (8, 222548877), (9, 197821224), (12, 148365918), (18, 98910612), (24, 74182959), (27, 65940408), (36, 49455306), (54, 32970204), (72, 24727653), (81, 21980136), (108, 16485102), (162, 10990068), (216, 8242551), (243, 7326712), (324, 5495034), (486, 3663356), (648, 2747517), (972, 1831678), (1944, 915839)]