1287645984

素因数分解:

$2^5\times 3^4\times {\mathrm{23}}^1\times {\mathrm{21599}}^1$

素因数の和:21644

約数の個数: 120

約数和(自身を含む): 3951763200

約数和(自身を除く): 2664117216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 276, 288, 324, 368, 414, 432, 552, 621, 648, 736, 828, 864, 1104, 1242, 1296, 1656, 1863, 2208, 2484, 2592, 3312, 3726, 4968, 6624, 7452, 9936, 14904, 19872, 21599, 29808, 43198, 59616, 64797, 86396, 129594, 172792, 194391, 259188, 345584, 388782, 496777, 518376, 583173, 691168, 777564, 993554, 1036752, 1166346, 1490331, 1555128, 1749519, 1987108, 2073504, 2332692, 2980662, 3110256, 3499038, 3974216, 4470993, 4665384, 5961324, 6220512, 6998076, 7948432, 8941986, 9330768, 11922648, 13412979, 13996152, 15896864, 17883972, 18661536, 23845296, 26825958, 27992304, 35767944, 40238937, 47690592, 53651916, 55984608, 71535888, 80477874, 107303832, 143071776, 160955748, 214607664, 321911496, 429215328, 643822992, 1287645984]

約数ペア:

[(1, 1287645984), (2, 643822992), (3, 429215328), (4, 321911496), (6, 214607664), (8, 160955748), (9, 143071776), (12, 107303832), (16, 80477874), (18, 71535888), (23, 55984608), (24, 53651916), (27, 47690592), (32, 40238937), (36, 35767944), (46, 27992304), (48, 26825958), (54, 23845296), (69, 18661536), (72, 17883972), (81, 15896864), (92, 13996152), (96, 13412979), (108, 11922648), (138, 9330768), (144, 8941986), (162, 7948432), (184, 6998076), (207, 6220512), (216, 5961324), (276, 4665384), (288, 4470993), (324, 3974216), (368, 3499038), (414, 3110256), (432, 2980662), (552, 2332692), (621, 2073504), (648, 1987108), (736, 1749519), (828, 1555128), (864, 1490331), (1104, 1166346), (1242, 1036752), (1296, 993554), (1656, 777564), (1863, 691168), (2208, 583173), (2484, 518376), (2592, 496777), (3312, 388782), (3726, 345584), (4968, 259188), (6624, 194391), (7452, 172792), (9936, 129594), (14904, 86396), (19872, 64797), (21599, 59616), (29808, 43198)]