78172452

素因数分解:

$2^2\times 3^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 217048832

約数和(自身を除く): 138876380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 43, 54, 62, 81, 86, 93, 108, 124, 129, 162, 172, 181, 186, 258, 279, 324, 362, 372, 387, 516, 543, 558, 724, 774, 837, 1086, 1116, 1161, 1333, 1548, 1629, 1674, 2172, 2322, 2511, 2666, 3258, 3348, 3483, 3999, 4644, 4887, 5022, 5332, 5611, 6516, 6966, 7783, 7998, 9774, 10044, 11222, 11997, 13932, 14661, 15566, 15996, 16833, 19548, 22444, 23349, 23994, 29322, 31132, 33666, 35991, 46698, 47988, 50499, 58644, 67332, 70047, 71982, 93396, 100998, 107973, 140094, 143964, 151497, 201996, 210141, 215946, 241273, 280188, 302994, 420282, 431892, 454491, 482546, 605988, 630423, 723819, 840564, 908982, 965092, 1260846, 1447638, 1817964, 2171457, 2521692, 2895276, 4342914, 6514371, 8685828, 13028742, 19543113, 26057484, 39086226, 78172452]

約数ペア:

[(1, 78172452), (2, 39086226), (3, 26057484), (4, 19543113), (6, 13028742), (9, 8685828), (12, 6514371), (18, 4342914), (27, 2895276), (31, 2521692), (36, 2171457), (43, 1817964), (54, 1447638), (62, 1260846), (81, 965092), (86, 908982), (93, 840564), (108, 723819), (124, 630423), (129, 605988), (162, 482546), (172, 454491), (181, 431892), (186, 420282), (258, 302994), (279, 280188), (324, 241273), (362, 215946), (372, 210141), (387, 201996), (516, 151497), (543, 143964), (558, 140094), (724, 107973), (774, 100998), (837, 93396), (1086, 71982), (1116, 70047), (1161, 67332), (1333, 58644), (1548, 50499), (1629, 47988), (1674, 46698), (2172, 35991), (2322, 33666), (2511, 31132), (2666, 29322), (3258, 23994), (3348, 23349), (3483, 22444), (3999, 19548), (4644, 16833), (4887, 15996), (5022, 15566), (5332, 14661), (5611, 13932), (6516, 11997), (6966, 11222), (7783, 10044), (7998, 9774)]