260633480

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 599961600

約数和(自身を除く): 339328120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 223, 244, 305, 446, 479, 488, 610, 892, 958, 1115, 1220, 1784, 1916, 2230, 2395, 2440, 3832, 4460, 4790, 8920, 9580, 13603, 19160, 27206, 29219, 54412, 58438, 68015, 106817, 108824, 116876, 136030, 146095, 213634, 233752, 272060, 292190, 427268, 534085, 544120, 584380, 854536, 1068170, 1168760, 2136340, 4272680, 6515837, 13031674, 26063348, 32579185, 52126696, 65158370, 130316740, 260633480]

約数ペア:

[(1, 260633480), (2, 130316740), (4, 65158370), (5, 52126696), (8, 32579185), (10, 26063348), (20, 13031674), (40, 6515837), (61, 4272680), (122, 2136340), (223, 1168760), (244, 1068170), (305, 854536), (446, 584380), (479, 544120), (488, 534085), (610, 427268), (892, 292190), (958, 272060), (1115, 233752), (1220, 213634), (1784, 146095), (1916, 136030), (2230, 116876), (2395, 108824), (2440, 106817), (3832, 68015), (4460, 58438), (4790, 54412), (8920, 29219), (9580, 27206), (13603, 19160)]