7640940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{367}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 21514752

約数和(自身を除く): 13873812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 347, 367, 694, 734, 1041, 1101, 1388, 1468, 1735, 1835, 2082, 2202, 3470, 3670, 4164, 4404, 5205, 5505, 6940, 7340, 10410, 11010, 20820, 22020, 127349, 254698, 382047, 509396, 636745, 764094, 1273490, 1528188, 1910235, 2546980, 3820470, 7640940]

約数ペア:

[(1, 7640940), (2, 3820470), (3, 2546980), (4, 1910235), (5, 1528188), (6, 1273490), (10, 764094), (12, 636745), (15, 509396), (20, 382047), (30, 254698), (60, 127349), (347, 22020), (367, 20820), (694, 11010), (734, 10410), (1041, 7340), (1101, 6940), (1388, 5505), (1468, 5205), (1735, 4404), (1835, 4164), (2082, 3670), (2202, 3470)]