61745008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 135366336

約数和(自身を除く): 73621328

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 71, 74, 104, 113, 142, 148, 208, 226, 284, 296, 452, 481, 568, 592, 904, 923, 962, 1136, 1469, 1808, 1846, 1924, 2627, 2938, 3692, 3848, 4181, 5254, 5876, 7384, 7696, 8023, 8362, 10508, 11752, 14768, 16046, 16724, 21016, 23504, 32092, 33448, 34151, 42032, 54353, 64184, 66896, 68302, 104299, 108706, 128368, 136604, 208598, 217412, 273208, 296851, 417196, 434824, 546416, 593702, 834392, 869648, 1187404, 1668784, 2374808, 3859063, 4749616, 7718126, 15436252, 30872504, 61745008]

約数ペア:

[(1, 61745008), (2, 30872504), (4, 15436252), (8, 7718126), (13, 4749616), (16, 3859063), (26, 2374808), (37, 1668784), (52, 1187404), (71, 869648), (74, 834392), (104, 593702), (113, 546416), (142, 434824), (148, 417196), (208, 296851), (226, 273208), (284, 217412), (296, 208598), (452, 136604), (481, 128368), (568, 108706), (592, 104299), (904, 68302), (923, 66896), (962, 64184), (1136, 54353), (1469, 42032), (1808, 34151), (1846, 33448), (1924, 32092), (2627, 23504), (2938, 21016), (3692, 16724), (3848, 16046), (4181, 14768), (5254, 11752), (5876, 10508), (7384, 8362), (7696, 8023)]