78157380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{491}}^1$

素因数の和:889

約数の個数: 96

約数和(自身を含む): 251274240

約数和(自身を除く): 173116860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 379, 420, 491, 758, 982, 1137, 1473, 1516, 1895, 1964, 2274, 2455, 2653, 2946, 3437, 3790, 4548, 4910, 5306, 5685, 5892, 6874, 7365, 7580, 7959, 9820, 10311, 10612, 11370, 13265, 13748, 14730, 15918, 17185, 20622, 22740, 26530, 29460, 31836, 34370, 39795, 41244, 51555, 53060, 68740, 79590, 103110, 159180, 186089, 206220, 372178, 558267, 744356, 930445, 1116534, 1302623, 1860890, 2233068, 2605246, 2791335, 3721780, 3907869, 5210492, 5582670, 6513115, 7815738, 11165340, 13026230, 15631476, 19539345, 26052460, 39078690, 78157380]

約数ペア:

[(1, 78157380), (2, 39078690), (3, 26052460), (4, 19539345), (5, 15631476), (6, 13026230), (7, 11165340), (10, 7815738), (12, 6513115), (14, 5582670), (15, 5210492), (20, 3907869), (21, 3721780), (28, 2791335), (30, 2605246), (35, 2233068), (42, 1860890), (60, 1302623), (70, 1116534), (84, 930445), (105, 744356), (140, 558267), (210, 372178), (379, 206220), (420, 186089), (491, 159180), (758, 103110), (982, 79590), (1137, 68740), (1473, 53060), (1516, 51555), (1895, 41244), (1964, 39795), (2274, 34370), (2455, 31836), (2653, 29460), (2946, 26530), (3437, 22740), (3790, 20622), (4548, 17185), (4910, 15918), (5306, 14730), (5685, 13748), (5892, 13265), (6874, 11370), (7365, 10612), (7580, 10311), (7959, 9820)]