254363760

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{16823}}^1$

素因数の和:16852

約数の個数: 160

約数和(自身を含む): 1001364480

約数和(自身を除く): 747000720

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, 16823, 33646, 50469, 67292, 84115, 100938, 117761, 134584, 151407, 168230, 201876, 235522, 252345, 269168, 302814, 336460, 353283, 403752, 454221, 471044, 504690, 588805, 605628, 672920, 706566, 757035, 807504, 908442, 942088, 1009380, 1059849, 1177610, 1211256, 1345840, 1413132, 1514070, 1766415, 1816884, 1884176, 2018760, 2119698, 2271105, 2355220, 2422512, 2826264, 3028140, 3179547, 3532830, 3633768, 4037520, 4239396, 4542210, 4710440, 5299245, 5652528, 6056280, 6359094, 7065660, 7267536, 8478792, 9084420, 9420880, 10598490, 12112560, 12718188, 14131320, 15897735, 16957584, 18168840, 21196980, 25436376, 28262640, 31795470, 36337680, 42393960, 50872752, 63590940, 84787920, 127181880, 254363760]

約数ペア:

[(1, 254363760), (2, 127181880), (3, 84787920), (4, 63590940), (5, 50872752), (6, 42393960), (7, 36337680), (8, 31795470), (9, 28262640), (10, 25436376), (12, 21196980), (14, 18168840), (15, 16957584), (16, 15897735), (18, 14131320), (20, 12718188), (21, 12112560), (24, 10598490), (27, 9420880), (28, 9084420), (30, 8478792), (35, 7267536), (36, 7065660), (40, 6359094), (42, 6056280), (45, 5652528), (48, 5299245), (54, 4710440), (56, 4542210), (60, 4239396), (63, 4037520), (70, 3633768), (72, 3532830), (80, 3179547), (84, 3028140), (90, 2826264), (105, 2422512), (108, 2355220), (112, 2271105), (120, 2119698), (126, 2018760), (135, 1884176), (140, 1816884), (144, 1766415), (168, 1514070), (180, 1413132), (189, 1345840), (210, 1211256), (216, 1177610), (240, 1059849), (252, 1009380), (270, 942088), (280, 908442), (315, 807504), (336, 757035), (360, 706566), (378, 672920), (420, 605628), (432, 588805), (504, 504690), (540, 471044), (560, 454221), (630, 403752), (720, 353283), (756, 336460), (840, 302814), (945, 269168), (1008, 252345), (1080, 235522), (1260, 201876), (1512, 168230), (1680, 151407), (1890, 134584), (2160, 117761), (2520, 100938), (3024, 84115), (3780, 67292), (5040, 50469), (7560, 33646), (15120, 16823)]