68210820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{378949}}^1$

素因数の和:378964

約数の個数: 36

約数和(自身を含む): 206906700

約数和(自身を除く): 138695880

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 378949, 757898, 1136847, 1515796, 1894745, 2273694, 3410541, 3789490, 4547388, 5684235, 6821082, 7578980, 11368470, 13642164, 17052705, 22736940, 34105410, 68210820]

約数ペア:

[(1, 68210820), (2, 34105410), (3, 22736940), (4, 17052705), (5, 13642164), (6, 11368470), (9, 7578980), (10, 6821082), (12, 5684235), (15, 4547388), (18, 3789490), (20, 3410541), (30, 2273694), (36, 1894745), (45, 1515796), (60, 1136847), (90, 757898), (180, 378949)]