81542220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{17203}}^1$

素因数の和:17294

約数の個数: 48

約数和(自身を含む): 231221760

約数和(自身を除く): 149679540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 17203, 34406, 51609, 68812, 86015, 103218, 172030, 206436, 258045, 344060, 516090, 1032180, 1359037, 2718074, 4077111, 5436148, 6795185, 8154222, 13590370, 16308444, 20385555, 27180740, 40771110, 81542220]

約数ペア:

[(1, 81542220), (2, 40771110), (3, 27180740), (4, 20385555), (5, 16308444), (6, 13590370), (10, 8154222), (12, 6795185), (15, 5436148), (20, 4077111), (30, 2718074), (60, 1359037), (79, 1032180), (158, 516090), (237, 344060), (316, 258045), (395, 206436), (474, 172030), (790, 103218), (948, 86015), (1185, 68812), (1580, 51609), (2370, 34406), (4740, 17203)]