128290896

素因数分解:

$2^4\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{991}}^1$

素因数の和:1065

約数の個数: 120

約数和(自身を含む): 383784960

約数和(自身を除く): 255494064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 31, 36, 48, 58, 62, 72, 87, 93, 116, 124, 144, 174, 186, 232, 248, 261, 279, 348, 372, 464, 496, 522, 558, 696, 744, 899, 991, 1044, 1116, 1392, 1488, 1798, 1982, 2088, 2232, 2697, 2973, 3596, 3964, 4176, 4464, 5394, 5946, 7192, 7928, 8091, 8919, 10788, 11892, 14384, 15856, 16182, 17838, 21576, 23784, 28739, 30721, 32364, 35676, 43152, 47568, 57478, 61442, 64728, 71352, 86217, 92163, 114956, 122884, 129456, 142704, 172434, 184326, 229912, 245768, 258651, 276489, 344868, 368652, 459824, 491536, 517302, 552978, 689736, 737304, 890909, 1034604, 1105956, 1379472, 1474608, 1781818, 2069208, 2211912, 2672727, 3563636, 4138416, 4423824, 5345454, 7127272, 8018181, 10690908, 14254544, 16036362, 21381816, 32072724, 42763632, 64145448, 128290896]

約数ペア:

[(1, 128290896), (2, 64145448), (3, 42763632), (4, 32072724), (6, 21381816), (8, 16036362), (9, 14254544), (12, 10690908), (16, 8018181), (18, 7127272), (24, 5345454), (29, 4423824), (31, 4138416), (36, 3563636), (48, 2672727), (58, 2211912), (62, 2069208), (72, 1781818), (87, 1474608), (93, 1379472), (116, 1105956), (124, 1034604), (144, 890909), (174, 737304), (186, 689736), (232, 552978), (248, 517302), (261, 491536), (279, 459824), (348, 368652), (372, 344868), (464, 276489), (496, 258651), (522, 245768), (558, 229912), (696, 184326), (744, 172434), (899, 142704), (991, 129456), (1044, 122884), (1116, 114956), (1392, 92163), (1488, 86217), (1798, 71352), (1982, 64728), (2088, 61442), (2232, 57478), (2697, 47568), (2973, 43152), (3596, 35676), (3964, 32364), (4176, 30721), (4464, 28739), (5394, 23784), (5946, 21576), (7192, 17838), (7928, 16182), (8091, 15856), (8919, 14384), (10788, 11892)]