128416140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1453}}^1$

素因数の和:1959

約数の個数: 72

約数和(自身を含む): 390590928

約数和(自身を除く): 262174788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 491, 982, 1453, 1473, 1964, 2455, 2906, 2946, 4359, 4419, 4910, 5812, 5892, 7265, 7365, 8718, 8838, 9820, 13077, 14530, 14730, 17436, 17676, 21795, 22095, 26154, 29060, 29460, 43590, 44190, 52308, 65385, 87180, 88380, 130770, 261540, 713423, 1426846, 2140269, 2853692, 3567115, 4280538, 6420807, 7134230, 8561076, 10701345, 12841614, 14268460, 21402690, 25683228, 32104035, 42805380, 64208070, 128416140]

約数ペア:

[(1, 128416140), (2, 64208070), (3, 42805380), (4, 32104035), (5, 25683228), (6, 21402690), (9, 14268460), (10, 12841614), (12, 10701345), (15, 8561076), (18, 7134230), (20, 6420807), (30, 4280538), (36, 3567115), (45, 2853692), (60, 2140269), (90, 1426846), (180, 713423), (491, 261540), (982, 130770), (1453, 88380), (1473, 87180), (1964, 65385), (2455, 52308), (2906, 44190), (2946, 43590), (4359, 29460), (4419, 29060), (4910, 26154), (5812, 22095), (5892, 21795), (7265, 17676), (7365, 17436), (8718, 14730), (8838, 14530), (9820, 13077)]