15648820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{857}}^1$

素因数の和:960

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 20675468

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 857, 913, 1660, 1714, 1826, 3428, 3652, 4285, 4565, 8570, 9130, 9427, 17140, 18260, 18854, 37708, 47135, 71131, 94270, 142262, 188540, 284524, 355655, 711310, 782441, 1422620, 1564882, 3129764, 3912205, 7824410, 15648820]

約数ペア:

[(1, 15648820), (2, 7824410), (4, 3912205), (5, 3129764), (10, 1564882), (11, 1422620), (20, 782441), (22, 711310), (44, 355655), (55, 284524), (83, 188540), (110, 142262), (166, 94270), (220, 71131), (332, 47135), (415, 37708), (830, 18854), (857, 18260), (913, 17140), (1660, 9427), (1714, 9130), (1826, 8570), (3428, 4565), (3652, 4285)]