68444745

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 121896960

約数和(自身を除く): 53452215

約数列:

[1, 3, 5, 15, 19, 31, 57, 61, 93, 95, 127, 155, 183, 285, 305, 381, 465, 589, 635, 915, 1159, 1767, 1891, 1905, 2413, 2945, 3477, 3937, 5673, 5795, 7239, 7747, 8835, 9455, 11811, 12065, 17385, 19685, 23241, 28365, 35929, 36195, 38735, 59055, 74803, 107787, 116205, 147193, 179645, 224409, 240157, 374015, 441579, 538935, 720471, 735965, 1122045, 1200785, 2207895, 3602355, 4562983, 13688949, 22814915, 68444745]

約数ペア:

[(1, 68444745), (3, 22814915), (5, 13688949), (15, 4562983), (19, 3602355), (31, 2207895), (57, 1200785), (61, 1122045), (93, 735965), (95, 720471), (127, 538935), (155, 441579), (183, 374015), (285, 240157), (305, 224409), (381, 179645), (465, 147193), (589, 116205), (635, 107787), (915, 74803), (1159, 59055), (1767, 38735), (1891, 36195), (1905, 35929), (2413, 28365), (2945, 23241), (3477, 19685), (3937, 17385), (5673, 12065), (5795, 11811), (7239, 9455), (7747, 8835)]