257162080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 192

約数和(自身を含む): 740275200

約数和(自身を除く): 483113120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 67, 70, 80, 92, 112, 115, 134, 140, 149, 160, 161, 184, 224, 230, 268, 280, 298, 322, 335, 368, 460, 469, 536, 560, 596, 644, 670, 736, 745, 805, 920, 938, 1043, 1072, 1120, 1192, 1288, 1340, 1490, 1541, 1610, 1840, 1876, 2086, 2144, 2345, 2384, 2576, 2680, 2980, 3082, 3220, 3427, 3680, 3752, 4172, 4690, 4768, 5152, 5215, 5360, 5960, 6164, 6440, 6854, 7504, 7705, 8344, 9380, 9983, 10430, 10720, 10787, 11920, 12328, 12880, 13708, 15008, 15410, 16688, 17135, 18760, 19966, 20860, 21574, 23840, 23989, 24656, 25760, 27416, 30820, 33376, 34270, 37520, 39932, 41720, 43148, 47978, 49312, 49915, 53935, 54832, 61640, 68540, 69881, 75040, 79864, 83440, 86296, 95956, 99830, 107870, 109664, 119945, 123280, 137080, 139762, 159728, 166880, 172592, 191912, 199660, 215740, 229609, 239890, 246560, 274160, 279524, 319456, 345184, 349405, 383824, 399320, 431480, 459218, 479780, 548320, 559048, 698810, 767648, 798640, 862960, 918436, 959560, 1118096, 1148045, 1397620, 1597280, 1607263, 1725920, 1836872, 1919120, 2236192, 2296090, 2795240, 3214526, 3673744, 3838240, 4592180, 5590480, 6429052, 7347488, 8036315, 9184360, 11180960, 12858104, 16072630, 18368720, 25716208, 32145260, 36737440, 51432416, 64290520, 128581040, 257162080]

約数ペア:

[(1, 257162080), (2, 128581040), (4, 64290520), (5, 51432416), (7, 36737440), (8, 32145260), (10, 25716208), (14, 18368720), (16, 16072630), (20, 12858104), (23, 11180960), (28, 9184360), (32, 8036315), (35, 7347488), (40, 6429052), (46, 5590480), (56, 4592180), (67, 3838240), (70, 3673744), (80, 3214526), (92, 2795240), (112, 2296090), (115, 2236192), (134, 1919120), (140, 1836872), (149, 1725920), (160, 1607263), (161, 1597280), (184, 1397620), (224, 1148045), (230, 1118096), (268, 959560), (280, 918436), (298, 862960), (322, 798640), (335, 767648), (368, 698810), (460, 559048), (469, 548320), (536, 479780), (560, 459218), (596, 431480), (644, 399320), (670, 383824), (736, 349405), (745, 345184), (805, 319456), (920, 279524), (938, 274160), (1043, 246560), (1072, 239890), (1120, 229609), (1192, 215740), (1288, 199660), (1340, 191912), (1490, 172592), (1541, 166880), (1610, 159728), (1840, 139762), (1876, 137080), (2086, 123280), (2144, 119945), (2345, 109664), (2384, 107870), (2576, 99830), (2680, 95956), (2980, 86296), (3082, 83440), (3220, 79864), (3427, 75040), (3680, 69881), (3752, 68540), (4172, 61640), (4690, 54832), (4768, 53935), (5152, 49915), (5215, 49312), (5360, 47978), (5960, 43148), (6164, 41720), (6440, 39932), (6854, 37520), (7504, 34270), (7705, 33376), (8344, 30820), (9380, 27416), (9983, 25760), (10430, 24656), (10720, 23989), (10787, 23840), (11920, 21574), (12328, 20860), (12880, 19966), (13708, 18760), (15008, 17135), (15410, 16688)]