215731728

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 160

約数和(自身を含む): 649958400

約数和(自身を除く): 434226672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 89, 93, 108, 124, 144, 178, 181, 186, 216, 248, 267, 279, 356, 362, 372, 432, 496, 534, 543, 558, 712, 724, 744, 801, 837, 1068, 1086, 1116, 1424, 1448, 1488, 1602, 1629, 1674, 2136, 2172, 2232, 2403, 2759, 2896, 3204, 3258, 3348, 4272, 4344, 4464, 4806, 4887, 5518, 5611, 6408, 6516, 6696, 8277, 8688, 9612, 9774, 11036, 11222, 12816, 13032, 13392, 16109, 16554, 16833, 19224, 19548, 22072, 22444, 24831, 26064, 32218, 33108, 33666, 38448, 39096, 44144, 44888, 48327, 49662, 50499, 64436, 66216, 67332, 74493, 78192, 89776, 96654, 99324, 100998, 128872, 132432, 134664, 144981, 148986, 151497, 193308, 198648, 201996, 257744, 269328, 289962, 297972, 302994, 386616, 397296, 403992, 434943, 499379, 579924, 595944, 605988, 773232, 807984, 869886, 998758, 1159848, 1191888, 1211976, 1498137, 1739772, 1997516, 2319696, 2423952, 2996274, 3479544, 3995032, 4494411, 5992548, 6959088, 7990064, 8988822, 11985096, 13483233, 17977644, 23970192, 26966466, 35955288, 53932932, 71910576, 107865864, 215731728]

約数ペア:

[(1, 215731728), (2, 107865864), (3, 71910576), (4, 53932932), (6, 35955288), (8, 26966466), (9, 23970192), (12, 17977644), (16, 13483233), (18, 11985096), (24, 8988822), (27, 7990064), (31, 6959088), (36, 5992548), (48, 4494411), (54, 3995032), (62, 3479544), (72, 2996274), (89, 2423952), (93, 2319696), (108, 1997516), (124, 1739772), (144, 1498137), (178, 1211976), (181, 1191888), (186, 1159848), (216, 998758), (248, 869886), (267, 807984), (279, 773232), (356, 605988), (362, 595944), (372, 579924), (432, 499379), (496, 434943), (534, 403992), (543, 397296), (558, 386616), (712, 302994), (724, 297972), (744, 289962), (801, 269328), (837, 257744), (1068, 201996), (1086, 198648), (1116, 193308), (1424, 151497), (1448, 148986), (1488, 144981), (1602, 134664), (1629, 132432), (1674, 128872), (2136, 100998), (2172, 99324), (2232, 96654), (2403, 89776), (2759, 78192), (2896, 74493), (3204, 67332), (3258, 66216), (3348, 64436), (4272, 50499), (4344, 49662), (4464, 48327), (4806, 44888), (4887, 44144), (5518, 39096), (5611, 38448), (6408, 33666), (6516, 33108), (6696, 32218), (8277, 26064), (8688, 24831), (9612, 22444), (9774, 22072), (11036, 19548), (11222, 19224), (12816, 16833), (13032, 16554), (13392, 16109)]