27555540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1787}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 77499072

約数和(自身を除く): 49943532

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 1028, 1285, 1542, 1787, 2570, 3084, 3574, 3855, 5140, 5361, 7148, 7710, 8935, 10722, 15420, 17870, 21444, 26805, 35740, 53610, 107220, 459259, 918518, 1377777, 1837036, 2296295, 2755554, 4592590, 5511108, 6888885, 9185180, 13777770, 27555540]

約数ペア:

[(1, 27555540), (2, 13777770), (3, 9185180), (4, 6888885), (5, 5511108), (6, 4592590), (10, 2755554), (12, 2296295), (15, 1837036), (20, 1377777), (30, 918518), (60, 459259), (257, 107220), (514, 53610), (771, 35740), (1028, 26805), (1285, 21444), (1542, 17870), (1787, 15420), (2570, 10722), (3084, 8935), (3574, 7710), (3855, 7148), (5140, 5361)]