7747980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{491}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 21821184

約数和(自身を除く): 14073204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 491, 526, 789, 982, 1052, 1315, 1473, 1578, 1964, 2455, 2630, 2946, 3156, 3945, 4910, 5260, 5892, 7365, 7890, 9820, 14730, 15780, 29460, 129133, 258266, 387399, 516532, 645665, 774798, 1291330, 1549596, 1936995, 2582660, 3873990, 7747980]

約数ペア:

[(1, 7747980), (2, 3873990), (3, 2582660), (4, 1936995), (5, 1549596), (6, 1291330), (10, 774798), (12, 645665), (15, 516532), (20, 387399), (30, 258266), (60, 129133), (263, 29460), (491, 15780), (526, 14730), (789, 9820), (982, 7890), (1052, 7365), (1315, 5892), (1473, 5260), (1578, 4910), (1964, 3945), (2455, 3156), (2630, 2946)]