30680940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{3257}}^1$

素因数の和:3426

約数の個数: 48

約数和(自身を含む): 86480352

約数和(自身を除く): 55799412

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 3257, 4710, 6514, 9420, 9771, 13028, 16285, 19542, 32570, 39084, 48855, 65140, 97710, 195420, 511349, 1022698, 1534047, 2045396, 2556745, 3068094, 5113490, 6136188, 7670235, 10226980, 15340470, 30680940]

約数ペア:

[(1, 30680940), (2, 15340470), (3, 10226980), (4, 7670235), (5, 6136188), (6, 5113490), (10, 3068094), (12, 2556745), (15, 2045396), (20, 1534047), (30, 1022698), (60, 511349), (157, 195420), (314, 97710), (471, 65140), (628, 48855), (785, 39084), (942, 32570), (1570, 19542), (1884, 16285), (2355, 13028), (3140, 9771), (3257, 9420), (4710, 6514)]