1281376656

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{25943}}^1$

素因数の和:25978

約数の個数: 120

約数和(自身を含む): 4182172800

約数和(自身を除く): 2900796144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 343, 392, 441, 504, 588, 686, 784, 882, 1008, 1029, 1176, 1372, 1764, 2058, 2352, 2744, 3087, 3528, 4116, 5488, 6174, 7056, 8232, 12348, 16464, 24696, 25943, 49392, 51886, 77829, 103772, 155658, 181601, 207544, 233487, 311316, 363202, 415088, 466974, 544803, 622632, 726404, 933948, 1089606, 1245264, 1271207, 1452808, 1634409, 1867896, 2179212, 2542414, 2905616, 3268818, 3735792, 3813621, 4358424, 5084828, 6537636, 7627242, 8716848, 8898449, 10169656, 11440863, 13075272, 15254484, 17796898, 20339312, 22881726, 26150544, 26695347, 30508968, 35593796, 45763452, 53390694, 61017936, 71187592, 80086041, 91526904, 106781388, 142375184, 160172082, 183053808, 213562776, 320344164, 427125552, 640688328, 1281376656]

約数ペア:

[(1, 1281376656), (2, 640688328), (3, 427125552), (4, 320344164), (6, 213562776), (7, 183053808), (8, 160172082), (9, 142375184), (12, 106781388), (14, 91526904), (16, 80086041), (18, 71187592), (21, 61017936), (24, 53390694), (28, 45763452), (36, 35593796), (42, 30508968), (48, 26695347), (49, 26150544), (56, 22881726), (63, 20339312), (72, 17796898), (84, 15254484), (98, 13075272), (112, 11440863), (126, 10169656), (144, 8898449), (147, 8716848), (168, 7627242), (196, 6537636), (252, 5084828), (294, 4358424), (336, 3813621), (343, 3735792), (392, 3268818), (441, 2905616), (504, 2542414), (588, 2179212), (686, 1867896), (784, 1634409), (882, 1452808), (1008, 1271207), (1029, 1245264), (1176, 1089606), (1372, 933948), (1764, 726404), (2058, 622632), (2352, 544803), (2744, 466974), (3087, 415088), (3528, 363202), (4116, 311316), (5488, 233487), (6174, 207544), (7056, 181601), (8232, 155658), (12348, 103772), (16464, 77829), (24696, 51886), (25943, 49392)]