81365328

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1657}}^1$

素因数の和:1713

約数の個数: 120

約数和(自身を含む): 256578816

約数和(自身を除く): 175213488

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 31, 33, 36, 44, 48, 62, 66, 72, 88, 93, 99, 124, 132, 144, 176, 186, 198, 248, 264, 279, 341, 372, 396, 496, 528, 558, 682, 744, 792, 1023, 1116, 1364, 1488, 1584, 1657, 2046, 2232, 2728, 3069, 3314, 4092, 4464, 4971, 5456, 6138, 6628, 8184, 9942, 12276, 13256, 14913, 16368, 18227, 19884, 24552, 26512, 29826, 36454, 39768, 49104, 51367, 54681, 59652, 72908, 79536, 102734, 109362, 119304, 145816, 154101, 164043, 205468, 218724, 238608, 291632, 308202, 328086, 410936, 437448, 462303, 565037, 616404, 656172, 821872, 874896, 924606, 1130074, 1232808, 1312344, 1695111, 1849212, 2260148, 2465616, 2624688, 3390222, 3698424, 4520296, 5085333, 6780444, 7396848, 9040592, 10170666, 13560888, 20341332, 27121776, 40682664, 81365328]

約数ペア:

[(1, 81365328), (2, 40682664), (3, 27121776), (4, 20341332), (6, 13560888), (8, 10170666), (9, 9040592), (11, 7396848), (12, 6780444), (16, 5085333), (18, 4520296), (22, 3698424), (24, 3390222), (31, 2624688), (33, 2465616), (36, 2260148), (44, 1849212), (48, 1695111), (62, 1312344), (66, 1232808), (72, 1130074), (88, 924606), (93, 874896), (99, 821872), (124, 656172), (132, 616404), (144, 565037), (176, 462303), (186, 437448), (198, 410936), (248, 328086), (264, 308202), (279, 291632), (341, 238608), (372, 218724), (396, 205468), (496, 164043), (528, 154101), (558, 145816), (682, 119304), (744, 109362), (792, 102734), (1023, 79536), (1116, 72908), (1364, 59652), (1488, 54681), (1584, 51367), (1657, 49104), (2046, 39768), (2232, 36454), (2728, 29826), (3069, 26512), (3314, 24552), (4092, 19884), (4464, 18227), (4971, 16368), (5456, 14913), (6138, 13256), (6628, 12276), (8184, 9942)]