57181860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{647}}^1$

素因数の和:1153

約数の個数: 72

約数和(自身を含む): 174073536

約数和(自身を除く): 116891676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 647, 982, 1294, 1473, 1941, 1964, 2455, 2588, 2946, 3235, 3882, 4419, 4910, 5823, 5892, 6470, 7365, 7764, 8838, 9705, 9820, 11646, 12940, 14730, 17676, 19410, 22095, 23292, 29115, 29460, 38820, 44190, 58230, 88380, 116460, 317677, 635354, 953031, 1270708, 1588385, 1906062, 2859093, 3176770, 3812124, 4765155, 5718186, 6353540, 9530310, 11436372, 14295465, 19060620, 28590930, 57181860]

約数ペア:

[(1, 57181860), (2, 28590930), (3, 19060620), (4, 14295465), (5, 11436372), (6, 9530310), (9, 6353540), (10, 5718186), (12, 4765155), (15, 3812124), (18, 3176770), (20, 2859093), (30, 1906062), (36, 1588385), (45, 1270708), (60, 953031), (90, 635354), (180, 317677), (491, 116460), (647, 88380), (982, 58230), (1294, 44190), (1473, 38820), (1941, 29460), (1964, 29115), (2455, 23292), (2588, 22095), (2946, 19410), (3235, 17676), (3882, 14730), (4419, 12940), (4910, 11646), (5823, 9820), (5892, 9705), (6470, 8838), (7365, 7764)]