68995980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{587}}^1\times {\mathrm{653}}^1$

素因数の和:1255

約数の個数: 72

約数和(自身を含む): 209965392

約数和(自身を除く): 140969412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 587, 653, 1174, 1306, 1761, 1959, 2348, 2612, 2935, 3265, 3522, 3918, 5283, 5870, 5877, 6530, 7044, 7836, 8805, 9795, 10566, 11740, 11754, 13060, 17610, 19590, 21132, 23508, 26415, 29385, 35220, 39180, 52830, 58770, 105660, 117540, 383311, 766622, 1149933, 1533244, 1916555, 2299866, 3449799, 3833110, 4599732, 5749665, 6899598, 7666220, 11499330, 13799196, 17248995, 22998660, 34497990, 68995980]

約数ペア:

[(1, 68995980), (2, 34497990), (3, 22998660), (4, 17248995), (5, 13799196), (6, 11499330), (9, 7666220), (10, 6899598), (12, 5749665), (15, 4599732), (18, 3833110), (20, 3449799), (30, 2299866), (36, 1916555), (45, 1533244), (60, 1149933), (90, 766622), (180, 383311), (587, 117540), (653, 105660), (1174, 58770), (1306, 52830), (1761, 39180), (1959, 35220), (2348, 29385), (2612, 26415), (2935, 23508), (3265, 21132), (3522, 19590), (3918, 17610), (5283, 13060), (5870, 11754), (5877, 11740), (6530, 10566), (7044, 9795), (7836, 8805)]