245684880

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{16249}}^1$

素因数の和:16278

約数の個数: 160

約数和(自身を含む): 967200000

約数和(自身を除く): 721515120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 16249, 32498, 48747, 64996, 81245, 97494, 113743, 129992, 146241, 162490, 194988, 227486, 243735, 259984, 292482, 324980, 341229, 389976, 438723, 454972, 487470, 568715, 584964, 649960, 682458, 731205, 779952, 877446, 909944, 974940, 1023687, 1137430, 1169928, 1299920, 1364916, 1462410, 1706145, 1754892, 1819888, 1949880, 2047374, 2193615, 2274860, 2339856, 2729832, 2924820, 3071061, 3412290, 3509784, 3899760, 4094748, 4387230, 4549720, 5118435, 5459664, 5849640, 6142122, 6824580, 7019568, 8189496, 8774460, 9099440, 10236870, 11699280, 12284244, 13649160, 15355305, 16378992, 17548920, 20473740, 24568488, 27298320, 30710610, 35097840, 40947480, 49136976, 61421220, 81894960, 122842440, 245684880]

約数ペア:

[(1, 245684880), (2, 122842440), (3, 81894960), (4, 61421220), (5, 49136976), (6, 40947480), (7, 35097840), (8, 30710610), (9, 27298320), (10, 24568488), (12, 20473740), (14, 17548920), (15, 16378992), (16, 15355305), (18, 13649160), (20, 12284244), (21, 11699280), (24, 10236870), (27, 9099440), (28, 8774460), (30, 8189496), (35, 7019568), (36, 6824580), (40, 6142122), (42, 5849640), (45, 5459664), (48, 5118435), (54, 4549720), (56, 4387230), (60, 4094748), (63, 3899760), (70, 3509784), (72, 3412290), (80, 3071061), (84, 2924820), (90, 2729832), (105, 2339856), (108, 2274860), (112, 2193615), (120, 2047374), (126, 1949880), (135, 1819888), (140, 1754892), (144, 1706145), (168, 1462410), (180, 1364916), (189, 1299920), (210, 1169928), (216, 1137430), (240, 1023687), (252, 974940), (270, 909944), (280, 877446), (315, 779952), (336, 731205), (360, 682458), (378, 649960), (420, 584964), (432, 568715), (504, 487470), (540, 454972), (560, 438723), (630, 389976), (720, 341229), (756, 324980), (840, 292482), (945, 259984), (1008, 243735), (1080, 227486), (1260, 194988), (1512, 162490), (1680, 146241), (1890, 129992), (2160, 113743), (2520, 97494), (3024, 81245), (3780, 64996), (5040, 48747), (7560, 32498), (15120, 16249)]