78882040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{373}}^1$

素因数の和:712

約数の個数: 64

約数和(自身を含む): 189034560

約数和(自身を除く): 110152520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 311, 340, 373, 622, 680, 746, 1244, 1492, 1555, 1865, 2488, 2984, 3110, 3730, 5287, 6220, 6341, 7460, 10574, 12440, 12682, 14920, 21148, 25364, 26435, 31705, 42296, 50728, 52870, 63410, 105740, 116003, 126820, 211480, 232006, 253640, 464012, 580015, 928024, 1160030, 1972051, 2320060, 3944102, 4640120, 7888204, 9860255, 15776408, 19720510, 39441020, 78882040]

約数ペア:

[(1, 78882040), (2, 39441020), (4, 19720510), (5, 15776408), (8, 9860255), (10, 7888204), (17, 4640120), (20, 3944102), (34, 2320060), (40, 1972051), (68, 1160030), (85, 928024), (136, 580015), (170, 464012), (311, 253640), (340, 232006), (373, 211480), (622, 126820), (680, 116003), (746, 105740), (1244, 63410), (1492, 52870), (1555, 50728), (1865, 42296), (2488, 31705), (2984, 26435), (3110, 25364), (3730, 21148), (5287, 14920), (6220, 12682), (6341, 12440), (7460, 10574)]