268575560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{571}}^1\times {\mathrm{1069}}^1$

素因数の和:1662

約数の個数: 64

約数和(自身を含む): 661003200

約数和(自身を除く): 392427640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 571, 1069, 1142, 2138, 2284, 2855, 4276, 4568, 5345, 5710, 6281, 8552, 10690, 11420, 11759, 12562, 21380, 22840, 23518, 25124, 31405, 42760, 47036, 50248, 58795, 62810, 94072, 117590, 125620, 235180, 251240, 470360, 610399, 1220798, 2441596, 3051995, 4883192, 6103990, 6714389, 12207980, 13428778, 24415960, 26857556, 33571945, 53715112, 67143890, 134287780, 268575560]

約数ペア:

[(1, 268575560), (2, 134287780), (4, 67143890), (5, 53715112), (8, 33571945), (10, 26857556), (11, 24415960), (20, 13428778), (22, 12207980), (40, 6714389), (44, 6103990), (55, 4883192), (88, 3051995), (110, 2441596), (220, 1220798), (440, 610399), (571, 470360), (1069, 251240), (1142, 235180), (2138, 125620), (2284, 117590), (2855, 94072), (4276, 62810), (4568, 58795), (5345, 50248), (5710, 47036), (6281, 42760), (8552, 31405), (10690, 25124), (11420, 23518), (11759, 22840), (12562, 21380)]