163789920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{16249}}^1$

素因数の和:16277

約数の個数: 144

約数和(自身を含む): 638820000

約数和(自身を除く): 475030080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 16249, 32498, 48747, 64996, 81245, 97494, 113743, 129992, 146241, 162490, 194988, 227486, 243735, 259984, 292482, 324980, 341229, 389976, 454972, 487470, 519968, 568715, 584964, 649960, 682458, 731205, 779952, 909944, 974940, 1023687, 1137430, 1169928, 1299920, 1364916, 1462410, 1559904, 1706145, 1819888, 1949880, 2047374, 2274860, 2339856, 2599840, 2729832, 2924820, 3412290, 3639776, 3899760, 4094748, 4549720, 4679712, 5118435, 5459664, 5849640, 6824580, 7799520, 8189496, 9099440, 10236870, 10919328, 11699280, 13649160, 16378992, 18198880, 20473740, 23398560, 27298320, 32757984, 40947480, 54596640, 81894960, 163789920]

約数ペア:

[(1, 163789920), (2, 81894960), (3, 54596640), (4, 40947480), (5, 32757984), (6, 27298320), (7, 23398560), (8, 20473740), (9, 18198880), (10, 16378992), (12, 13649160), (14, 11699280), (15, 10919328), (16, 10236870), (18, 9099440), (20, 8189496), (21, 7799520), (24, 6824580), (28, 5849640), (30, 5459664), (32, 5118435), (35, 4679712), (36, 4549720), (40, 4094748), (42, 3899760), (45, 3639776), (48, 3412290), (56, 2924820), (60, 2729832), (63, 2599840), (70, 2339856), (72, 2274860), (80, 2047374), (84, 1949880), (90, 1819888), (96, 1706145), (105, 1559904), (112, 1462410), (120, 1364916), (126, 1299920), (140, 1169928), (144, 1137430), (160, 1023687), (168, 974940), (180, 909944), (210, 779952), (224, 731205), (240, 682458), (252, 649960), (280, 584964), (288, 568715), (315, 519968), (336, 487470), (360, 454972), (420, 389976), (480, 341229), (504, 324980), (560, 292482), (630, 259984), (672, 243735), (720, 227486), (840, 194988), (1008, 162490), (1120, 146241), (1260, 129992), (1440, 113743), (1680, 97494), (2016, 81245), (2520, 64996), (3360, 48747), (5040, 32498), (10080, 16249)]