81638928

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{8999}}^1$

素因数の和:9026

約数の個数: 100

約数和(自身を含む): 270072000

約数和(自身を除く): 188433072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 252, 324, 336, 378, 432, 504, 567, 648, 756, 1008, 1134, 1296, 1512, 2268, 3024, 4536, 8999, 9072, 17998, 26997, 35996, 53994, 62993, 71992, 80991, 107988, 125986, 143984, 161982, 188979, 215976, 242973, 251972, 323964, 377958, 431952, 485946, 503944, 566937, 647928, 728919, 755916, 971892, 1007888, 1133874, 1295856, 1457838, 1511832, 1700811, 1943784, 2267748, 2915676, 3023664, 3401622, 3887568, 4535496, 5102433, 5831352, 6803244, 9070992, 10204866, 11662704, 13606488, 20409732, 27212976, 40819464, 81638928]

約数ペア:

[(1, 81638928), (2, 40819464), (3, 27212976), (4, 20409732), (6, 13606488), (7, 11662704), (8, 10204866), (9, 9070992), (12, 6803244), (14, 5831352), (16, 5102433), (18, 4535496), (21, 3887568), (24, 3401622), (27, 3023664), (28, 2915676), (36, 2267748), (42, 1943784), (48, 1700811), (54, 1511832), (56, 1457838), (63, 1295856), (72, 1133874), (81, 1007888), (84, 971892), (108, 755916), (112, 728919), (126, 647928), (144, 566937), (162, 503944), (168, 485946), (189, 431952), (216, 377958), (252, 323964), (324, 251972), (336, 242973), (378, 215976), (432, 188979), (504, 161982), (567, 143984), (648, 125986), (756, 107988), (1008, 80991), (1134, 71992), (1296, 62993), (1512, 53994), (2268, 35996), (3024, 26997), (4536, 17998), (8999, 9072)]