648900

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{103}}^1$

素因数の和:130

約数の個数: 108

約数和(自身を含む): 2347072

約数和(自身を除く): 1698172

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 35, 36, 42, 45, 50, 60, 63, 70, 75, 84, 90, 100, 103, 105, 126, 140, 150, 175, 180, 206, 210, 225, 252, 300, 309, 315, 350, 412, 420, 450, 515, 525, 618, 630, 700, 721, 900, 927, 1030, 1050, 1236, 1260, 1442, 1545, 1575, 1854, 2060, 2100, 2163, 2575, 2884, 3090, 3150, 3605, 3708, 4326, 4635, 5150, 6180, 6300, 6489, 7210, 7725, 8652, 9270, 10300, 10815, 12978, 14420, 15450, 18025, 18540, 21630, 23175, 25956, 30900, 32445, 36050, 43260, 46350, 54075, 64890, 72100, 92700, 108150, 129780, 162225, 216300, 324450, 648900]

約数ペア:

[(1, 648900), (2, 324450), (3, 216300), (4, 162225), (5, 129780), (6, 108150), (7, 92700), (9, 72100), (10, 64890), (12, 54075), (14, 46350), (15, 43260), (18, 36050), (20, 32445), (21, 30900), (25, 25956), (28, 23175), (30, 21630), (35, 18540), (36, 18025), (42, 15450), (45, 14420), (50, 12978), (60, 10815), (63, 10300), (70, 9270), (75, 8652), (84, 7725), (90, 7210), (100, 6489), (103, 6300), (105, 6180), (126, 5150), (140, 4635), (150, 4326), (175, 3708), (180, 3605), (206, 3150), (210, 3090), (225, 2884), (252, 2575), (300, 2163), (309, 2100), (315, 2060), (350, 1854), (412, 1575), (420, 1545), (450, 1442), (515, 1260), (525, 1236), (618, 1050), (630, 1030), (700, 927), (721, 900)]