305889120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{212423}}^1$

素因数の和:212444

約数の個数: 72

約数和(自身を含む): 1043851536

約数和(自身を除く): 737962416

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 212423, 424846, 637269, 849692, 1062115, 1274538, 1699384, 1911807, 2124230, 2549076, 3186345, 3398768, 3823614, 4248460, 5098152, 6372690, 6797536, 7647228, 8496920, 9559035, 10196304, 12745380, 15294456, 16993840, 19118070, 20392608, 25490760, 30588912, 33987680, 38236140, 50981520, 61177824, 76472280, 101963040, 152944560, 305889120]

約数ペア:

[(1, 305889120), (2, 152944560), (3, 101963040), (4, 76472280), (5, 61177824), (6, 50981520), (8, 38236140), (9, 33987680), (10, 30588912), (12, 25490760), (15, 20392608), (16, 19118070), (18, 16993840), (20, 15294456), (24, 12745380), (30, 10196304), (32, 9559035), (36, 8496920), (40, 7647228), (45, 6797536), (48, 6372690), (60, 5098152), (72, 4248460), (80, 3823614), (90, 3398768), (96, 3186345), (120, 2549076), (144, 2124230), (160, 1911807), (180, 1699384), (240, 1274538), (288, 1062115), (360, 849692), (480, 637269), (720, 424846), (1440, 212423)]