78255315

素因数分解:

$3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 80

約数和(自身を含む): 151658496

約数和(自身を除く): 73403181

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 45, 69, 81, 93, 115, 135, 155, 207, 271, 279, 345, 405, 465, 621, 713, 813, 837, 1035, 1355, 1395, 1863, 2139, 2439, 2511, 3105, 3565, 4065, 4185, 6233, 6417, 7317, 8401, 9315, 10695, 12195, 12555, 18699, 19251, 21951, 25203, 31165, 32085, 36585, 42005, 56097, 57753, 75609, 93495, 96255, 109755, 126015, 168291, 193223, 226827, 280485, 288765, 378045, 504873, 579669, 680481, 841455, 966115, 1134135, 1739007, 2524365, 2898345, 3402405, 5217021, 8695035, 15651063, 26085105, 78255315]

約数ペア:

[(1, 78255315), (3, 26085105), (5, 15651063), (9, 8695035), (15, 5217021), (23, 3402405), (27, 2898345), (31, 2524365), (45, 1739007), (69, 1134135), (81, 966115), (93, 841455), (115, 680481), (135, 579669), (155, 504873), (207, 378045), (271, 288765), (279, 280485), (345, 226827), (405, 193223), (465, 168291), (621, 126015), (713, 109755), (813, 96255), (837, 93495), (1035, 75609), (1355, 57753), (1395, 56097), (1863, 42005), (2139, 36585), (2439, 32085), (2511, 31165), (3105, 25203), (3565, 21951), (4065, 19251), (4185, 18699), (6233, 12555), (6417, 12195), (7317, 10695), (8401, 9315)]