20157000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{6719}}^1$

素因数の和:6743

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 42742200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 125, 150, 200, 250, 300, 375, 500, 600, 750, 1000, 1500, 3000, 6719, 13438, 20157, 26876, 33595, 40314, 53752, 67190, 80628, 100785, 134380, 161256, 167975, 201570, 268760, 335950, 403140, 503925, 671900, 806280, 839875, 1007850, 1343800, 1679750, 2015700, 2519625, 3359500, 4031400, 5039250, 6719000, 10078500, 20157000]

約数ペア:

[(1, 20157000), (2, 10078500), (3, 6719000), (4, 5039250), (5, 4031400), (6, 3359500), (8, 2519625), (10, 2015700), (12, 1679750), (15, 1343800), (20, 1007850), (24, 839875), (25, 806280), (30, 671900), (40, 503925), (50, 403140), (60, 335950), (75, 268760), (100, 201570), (120, 167975), (125, 161256), (150, 134380), (200, 100785), (250, 80628), (300, 67190), (375, 53752), (500, 40314), (600, 33595), (750, 26876), (1000, 20157), (1500, 13438), (3000, 6719)]