13248620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1229}}^1$

素因数の和:1263

約数の個数: 72

約数和(自身を含む): 35335440

約数和(自身を除く): 22086820

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 385, 490, 539, 770, 980, 1078, 1229, 1540, 2156, 2458, 2695, 4916, 5390, 6145, 8603, 10780, 12290, 13519, 17206, 24580, 27038, 34412, 43015, 54076, 60221, 67595, 86030, 94633, 120442, 135190, 172060, 189266, 240884, 270380, 301105, 378532, 473165, 602210, 662431, 946330, 1204420, 1324862, 1892660, 2649724, 3312155, 6624310, 13248620]

約数ペア:

[(1, 13248620), (2, 6624310), (4, 3312155), (5, 2649724), (7, 1892660), (10, 1324862), (11, 1204420), (14, 946330), (20, 662431), (22, 602210), (28, 473165), (35, 378532), (44, 301105), (49, 270380), (55, 240884), (70, 189266), (77, 172060), (98, 135190), (110, 120442), (140, 94633), (154, 86030), (196, 67595), (220, 60221), (245, 54076), (308, 43015), (385, 34412), (490, 27038), (539, 24580), (770, 17206), (980, 13519), (1078, 12290), (1229, 10780), (1540, 8603), (2156, 6145), (2458, 5390), (2695, 4916)]