1440647540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1\times {\mathrm{1621}}^1$

素因数の和:2868

約数の個数: 48

約数和(自身を含む): 3111631824

約数和(自身を除く): 1670984284

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 1201, 1621, 2402, 3242, 4804, 6005, 6484, 8105, 12010, 16210, 24020, 32420, 44437, 59977, 88874, 119954, 177748, 222185, 239908, 299885, 444370, 599770, 888740, 1199540, 1946821, 3893642, 7787284, 9734105, 19468210, 38936420, 72032377, 144064754, 288129508, 360161885, 720323770, 1440647540]

約数ペア:

[(1, 1440647540), (2, 720323770), (4, 360161885), (5, 288129508), (10, 144064754), (20, 72032377), (37, 38936420), (74, 19468210), (148, 9734105), (185, 7787284), (370, 3893642), (740, 1946821), (1201, 1199540), (1621, 888740), (2402, 599770), (3242, 444370), (4804, 299885), (6005, 239908), (6484, 222185), (8105, 177748), (12010, 119954), (16210, 88874), (24020, 59977), (32420, 44437)]