12187280

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{3109}}^1$

素因数の和:3136

約数の個数: 60

約数和(自身を含む): 32972220

約数和(自身を除く): 20784940

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3109, 3920, 6218, 12436, 15545, 21763, 24872, 31090, 43526, 49744, 62180, 87052, 108815, 124360, 152341, 174104, 217630, 248720, 304682, 348208, 435260, 609364, 761705, 870520, 1218728, 1523410, 1741040, 2437456, 3046820, 6093640, 12187280]

約数ペア:

[(1, 12187280), (2, 6093640), (4, 3046820), (5, 2437456), (7, 1741040), (8, 1523410), (10, 1218728), (14, 870520), (16, 761705), (20, 609364), (28, 435260), (35, 348208), (40, 304682), (49, 248720), (56, 217630), (70, 174104), (80, 152341), (98, 124360), (112, 108815), (140, 87052), (196, 62180), (245, 49744), (280, 43526), (392, 31090), (490, 24872), (560, 21763), (784, 15545), (980, 12436), (1960, 6218), (3109, 3920)]