181376784

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{991}}^1$

素因数の和:1077

約数の個数: 120

約数和(自身を含む): 537298944

約数和(自身を除く): 355922160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 41, 48, 62, 72, 82, 93, 123, 124, 144, 164, 186, 246, 248, 279, 328, 369, 372, 492, 496, 558, 656, 738, 744, 984, 991, 1116, 1271, 1476, 1488, 1968, 1982, 2232, 2542, 2952, 2973, 3813, 3964, 4464, 5084, 5904, 5946, 7626, 7928, 8919, 10168, 11439, 11892, 15252, 15856, 17838, 20336, 22878, 23784, 30504, 30721, 35676, 40631, 45756, 47568, 61008, 61442, 71352, 81262, 91512, 92163, 121893, 122884, 142704, 162524, 183024, 184326, 243786, 245768, 276489, 325048, 365679, 368652, 487572, 491536, 552978, 650096, 731358, 737304, 975144, 1105956, 1259561, 1462716, 1474608, 1950288, 2211912, 2519122, 2925432, 3778683, 4423824, 5038244, 5850864, 7557366, 10076488, 11336049, 15114732, 20152976, 22672098, 30229464, 45344196, 60458928, 90688392, 181376784]

約数ペア:

[(1, 181376784), (2, 90688392), (3, 60458928), (4, 45344196), (6, 30229464), (8, 22672098), (9, 20152976), (12, 15114732), (16, 11336049), (18, 10076488), (24, 7557366), (31, 5850864), (36, 5038244), (41, 4423824), (48, 3778683), (62, 2925432), (72, 2519122), (82, 2211912), (93, 1950288), (123, 1474608), (124, 1462716), (144, 1259561), (164, 1105956), (186, 975144), (246, 737304), (248, 731358), (279, 650096), (328, 552978), (369, 491536), (372, 487572), (492, 368652), (496, 365679), (558, 325048), (656, 276489), (738, 245768), (744, 243786), (984, 184326), (991, 183024), (1116, 162524), (1271, 142704), (1476, 122884), (1488, 121893), (1968, 92163), (1982, 91512), (2232, 81262), (2542, 71352), (2952, 61442), (2973, 61008), (3813, 47568), (3964, 45756), (4464, 40631), (5084, 35676), (5904, 30721), (5946, 30504), (7626, 23784), (7928, 22878), (8919, 20336), (10168, 17838), (11439, 15856), (11892, 15252)]