81608016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2729}}^1$

素因数の和:2836

約数の個数: 80

約数和(自身を含む): 243734400

約数和(自身を除く): 162126384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 89, 112, 168, 178, 267, 336, 356, 534, 623, 712, 1068, 1246, 1424, 1869, 2136, 2492, 2729, 3738, 4272, 4984, 5458, 7476, 8187, 9968, 10916, 14952, 16374, 19103, 21832, 29904, 32748, 38206, 43664, 57309, 65496, 76412, 114618, 130992, 152824, 229236, 242881, 305648, 458472, 485762, 728643, 916944, 971524, 1457286, 1700167, 1943048, 2914572, 3400334, 3886096, 5100501, 5829144, 6800668, 10201002, 11658288, 13601336, 20402004, 27202672, 40804008, 81608016]

約数ペア:

[(1, 81608016), (2, 40804008), (3, 27202672), (4, 20402004), (6, 13601336), (7, 11658288), (8, 10201002), (12, 6800668), (14, 5829144), (16, 5100501), (21, 3886096), (24, 3400334), (28, 2914572), (42, 1943048), (48, 1700167), (56, 1457286), (84, 971524), (89, 916944), (112, 728643), (168, 485762), (178, 458472), (267, 305648), (336, 242881), (356, 229236), (534, 152824), (623, 130992), (712, 114618), (1068, 76412), (1246, 65496), (1424, 57309), (1869, 43664), (2136, 38206), (2492, 32748), (2729, 29904), (3738, 21832), (4272, 19103), (4984, 16374), (5458, 14952), (7476, 10916), (8187, 9968)]