80645172

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 199591392

約数和(自身を除く): 118946220

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 61, 87, 116, 122, 131, 174, 183, 244, 262, 348, 366, 393, 524, 732, 786, 841, 1572, 1682, 1769, 2523, 3364, 3538, 3799, 5046, 5307, 7076, 7598, 7991, 10092, 10614, 11397, 15196, 15982, 21228, 22794, 23973, 31964, 45588, 47946, 51301, 95892, 102602, 110171, 153903, 205204, 220342, 231739, 307806, 330513, 440684, 463478, 615612, 661026, 695217, 926956, 1322052, 1390434, 2780868, 6720431, 13440862, 20161293, 26881724, 40322586, 80645172]

約数ペア:

[(1, 80645172), (2, 40322586), (3, 26881724), (4, 20161293), (6, 13440862), (12, 6720431), (29, 2780868), (58, 1390434), (61, 1322052), (87, 926956), (116, 695217), (122, 661026), (131, 615612), (174, 463478), (183, 440684), (244, 330513), (262, 307806), (348, 231739), (366, 220342), (393, 205204), (524, 153903), (732, 110171), (786, 102602), (841, 95892), (1572, 51301), (1682, 47946), (1769, 45588), (2523, 31964), (3364, 23973), (3538, 22794), (3799, 21228), (5046, 15982), (5307, 15196), (7076, 11397), (7598, 10614), (7991, 10092)]