81694872

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:854

約数の個数: 128

約数和(自身を含む): 263347200

約数和(自身を除く): 181652328

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 71, 72, 84, 108, 126, 142, 168, 189, 213, 216, 252, 284, 378, 426, 497, 504, 568, 639, 756, 761, 852, 994, 1278, 1491, 1512, 1522, 1704, 1917, 1988, 2283, 2556, 2982, 3044, 3834, 3976, 4473, 4566, 5112, 5327, 5964, 6088, 6849, 7668, 8946, 9132, 10654, 11928, 13419, 13698, 15336, 15981, 17892, 18264, 20547, 21308, 26838, 27396, 31962, 35784, 41094, 42616, 47943, 53676, 54031, 54792, 63924, 82188, 95886, 107352, 108062, 127848, 143829, 162093, 164376, 191772, 216124, 287658, 324186, 378217, 383544, 432248, 486279, 575316, 648372, 756434, 972558, 1134651, 1150632, 1296744, 1458837, 1512868, 1945116, 2269302, 2917674, 3025736, 3403953, 3890232, 4538604, 5835348, 6807906, 9077208, 10211859, 11670696, 13615812, 20423718, 27231624, 40847436, 81694872]

約数ペア:

[(1, 81694872), (2, 40847436), (3, 27231624), (4, 20423718), (6, 13615812), (7, 11670696), (8, 10211859), (9, 9077208), (12, 6807906), (14, 5835348), (18, 4538604), (21, 3890232), (24, 3403953), (27, 3025736), (28, 2917674), (36, 2269302), (42, 1945116), (54, 1512868), (56, 1458837), (63, 1296744), (71, 1150632), (72, 1134651), (84, 972558), (108, 756434), (126, 648372), (142, 575316), (168, 486279), (189, 432248), (213, 383544), (216, 378217), (252, 324186), (284, 287658), (378, 216124), (426, 191772), (497, 164376), (504, 162093), (568, 143829), (639, 127848), (756, 108062), (761, 107352), (852, 95886), (994, 82188), (1278, 63924), (1491, 54792), (1512, 54031), (1522, 53676), (1704, 47943), (1917, 42616), (1988, 41094), (2283, 35784), (2556, 31962), (2982, 27396), (3044, 26838), (3834, 21308), (3976, 20547), (4473, 18264), (4566, 17892), (5112, 15981), (5327, 15336), (5964, 13698), (6088, 13419), (6849, 11928), (7668, 10654), (8946, 9132)]