68752980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{16607}}^1$

素因数の和:16645

約数の個数: 72

約数和(自身を含む): 217631232

約数和(自身を除く): 148878252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 16607, 33214, 49821, 66428, 83035, 99642, 149463, 166070, 199284, 249105, 298926, 332140, 381961, 498210, 597852, 747315, 763922, 996420, 1145883, 1494630, 1527844, 1909805, 2291766, 2989260, 3437649, 3819610, 4583532, 5729415, 6875298, 7639220, 11458830, 13750596, 17188245, 22917660, 34376490, 68752980]

約数ペア:

[(1, 68752980), (2, 34376490), (3, 22917660), (4, 17188245), (5, 13750596), (6, 11458830), (9, 7639220), (10, 6875298), (12, 5729415), (15, 4583532), (18, 3819610), (20, 3437649), (23, 2989260), (30, 2291766), (36, 1909805), (45, 1527844), (46, 1494630), (60, 1145883), (69, 996420), (90, 763922), (92, 747315), (115, 597852), (138, 498210), (180, 381961), (207, 332140), (230, 298926), (276, 249105), (345, 199284), (414, 166070), (460, 149463), (690, 99642), (828, 83035), (1035, 66428), (1380, 49821), (2070, 33214), (4140, 16607)]