648738870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97849}}^1$

素因数の和:97889

約数の個数: 64

約数和(自身を含む): 1775390400

約数和(自身を除く): 1126651530

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 97849, 195698, 293547, 489245, 587094, 978490, 1272037, 1467735, 1663433, 2544074, 2935470, 3326866, 3816111, 4990299, 6360185, 7632222, 8317165, 9980598, 12720370, 16634330, 19080555, 21624629, 24951495, 38161110, 43249258, 49902990, 64873887, 108123145, 129747774, 216246290, 324369435, 648738870]

約数ペア:

[(1, 648738870), (2, 324369435), (3, 216246290), (5, 129747774), (6, 108123145), (10, 64873887), (13, 49902990), (15, 43249258), (17, 38161110), (26, 24951495), (30, 21624629), (34, 19080555), (39, 16634330), (51, 12720370), (65, 9980598), (78, 8317165), (85, 7632222), (102, 6360185), (130, 4990299), (170, 3816111), (195, 3326866), (221, 2935470), (255, 2544074), (390, 1663433), (442, 1467735), (510, 1272037), (663, 978490), (1105, 587094), (1326, 489245), (2210, 293547), (3315, 195698), (6630, 97849)]