78668835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{839}}^1$

素因数の和:920

約数の個数: 64

約数和(自身を含む): 154828800

約数和(自身を除く): 76159965

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 47, 57, 95, 105, 133, 141, 235, 285, 329, 399, 665, 705, 839, 893, 987, 1645, 1995, 2517, 2679, 4195, 4465, 4935, 5873, 6251, 12585, 13395, 15941, 17619, 18753, 29365, 31255, 39433, 47823, 79705, 88095, 93765, 111587, 118299, 197165, 239115, 276031, 334761, 557935, 591495, 749227, 828093, 1380155, 1673805, 2247681, 3746135, 4140465, 5244589, 11238405, 15733767, 26222945, 78668835]

約数ペア:

[(1, 78668835), (3, 26222945), (5, 15733767), (7, 11238405), (15, 5244589), (19, 4140465), (21, 3746135), (35, 2247681), (47, 1673805), (57, 1380155), (95, 828093), (105, 749227), (133, 591495), (141, 557935), (235, 334761), (285, 276031), (329, 239115), (399, 197165), (665, 118299), (705, 111587), (839, 93765), (893, 88095), (987, 79705), (1645, 47823), (1995, 39433), (2517, 31255), (2679, 29365), (4195, 18753), (4465, 17619), (4935, 15941), (5873, 13395), (6251, 12585)]