256764690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:433

約数の個数: 192

約数和(自身を含む): 832156416

約数和(自身を除く): 575391726

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 107, 117, 126, 130, 182, 195, 210, 214, 234, 273, 293, 315, 321, 390, 455, 535, 546, 585, 586, 630, 642, 749, 819, 879, 910, 963, 1070, 1170, 1365, 1391, 1465, 1498, 1605, 1638, 1758, 1926, 2051, 2247, 2637, 2730, 2782, 2930, 3210, 3745, 3809, 4095, 4102, 4173, 4395, 4494, 4815, 5274, 6153, 6741, 6955, 7490, 7618, 8190, 8346, 8790, 9630, 9737, 10255, 11235, 11427, 12306, 12519, 13185, 13482, 13910, 18459, 19045, 19474, 20510, 20865, 22470, 22854, 25038, 26370, 26663, 29211, 30765, 31351, 33705, 34281, 36918, 38090, 41730, 48685, 53326, 57135, 58422, 61530, 62595, 62702, 67410, 68562, 79989, 87633, 92295, 94053, 97370, 114270, 125190, 133315, 146055, 156755, 159978, 171405, 175266, 184590, 188106, 219457, 239967, 266630, 282159, 292110, 313510, 342810, 399945, 407563, 438165, 438914, 470265, 479934, 564318, 658371, 799890, 815126, 876330, 940530, 1097285, 1199835, 1222689, 1316742, 1410795, 1975113, 2037815, 2194570, 2399670, 2445378, 2821590, 2852941, 3291855, 3668067, 3950226, 4075630, 5705882, 6113445, 6583710, 7336134, 8558823, 9875565, 12226890, 14264705, 17117646, 18340335, 19751130, 25676469, 28529410, 36680670, 42794115, 51352938, 85588230, 128382345, 256764690]

約数ペア:

[(1, 256764690), (2, 128382345), (3, 85588230), (5, 51352938), (6, 42794115), (7, 36680670), (9, 28529410), (10, 25676469), (13, 19751130), (14, 18340335), (15, 17117646), (18, 14264705), (21, 12226890), (26, 9875565), (30, 8558823), (35, 7336134), (39, 6583710), (42, 6113445), (45, 5705882), (63, 4075630), (65, 3950226), (70, 3668067), (78, 3291855), (90, 2852941), (91, 2821590), (105, 2445378), (107, 2399670), (117, 2194570), (126, 2037815), (130, 1975113), (182, 1410795), (195, 1316742), (210, 1222689), (214, 1199835), (234, 1097285), (273, 940530), (293, 876330), (315, 815126), (321, 799890), (390, 658371), (455, 564318), (535, 479934), (546, 470265), (585, 438914), (586, 438165), (630, 407563), (642, 399945), (749, 342810), (819, 313510), (879, 292110), (910, 282159), (963, 266630), (1070, 239967), (1170, 219457), (1365, 188106), (1391, 184590), (1465, 175266), (1498, 171405), (1605, 159978), (1638, 156755), (1758, 146055), (1926, 133315), (2051, 125190), (2247, 114270), (2637, 97370), (2730, 94053), (2782, 92295), (2930, 87633), (3210, 79989), (3745, 68562), (3809, 67410), (4095, 62702), (4102, 62595), (4173, 61530), (4395, 58422), (4494, 57135), (4815, 53326), (5274, 48685), (6153, 41730), (6741, 38090), (6955, 36918), (7490, 34281), (7618, 33705), (8190, 31351), (8346, 30765), (8790, 29211), (9630, 26663), (9737, 26370), (10255, 25038), (11235, 22854), (11427, 22470), (12306, 20865), (12519, 20510), (13185, 19474), (13482, 19045), (13910, 18459)]