61465280

素因数分解:

$2^6\times 5^1\times {\mathrm{401}}^1\times {\mathrm{479}}^1$

素因数の和:897

約数の個数: 56

約数和(自身を含む): 147035520

約数和(自身を除く): 85570240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 401, 479, 802, 958, 1604, 1916, 2005, 2395, 3208, 3832, 4010, 4790, 6416, 7664, 8020, 9580, 12832, 15328, 16040, 19160, 25664, 30656, 32080, 38320, 64160, 76640, 128320, 153280, 192079, 384158, 768316, 960395, 1536632, 1920790, 3073264, 3841580, 6146528, 7683160, 12293056, 15366320, 30732640, 61465280]

約数ペア:

[(1, 61465280), (2, 30732640), (4, 15366320), (5, 12293056), (8, 7683160), (10, 6146528), (16, 3841580), (20, 3073264), (32, 1920790), (40, 1536632), (64, 960395), (80, 768316), (160, 384158), (320, 192079), (401, 153280), (479, 128320), (802, 76640), (958, 64160), (1604, 38320), (1916, 32080), (2005, 30656), (2395, 25664), (3208, 19160), (3832, 16040), (4010, 15328), (4790, 12832), (6416, 9580), (7664, 8020)]