256231404

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:437

約数の個数: 192

約数和(自身を含む): 799303680

約数和(自身を除く): 543072276

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 13, 18, 22, 26, 27, 33, 36, 39, 44, 47, 52, 54, 66, 78, 94, 99, 108, 117, 132, 141, 143, 156, 188, 198, 234, 282, 286, 297, 351, 353, 396, 423, 429, 468, 517, 564, 572, 594, 611, 702, 706, 846, 858, 1034, 1059, 1188, 1222, 1269, 1287, 1404, 1412, 1551, 1692, 1716, 1833, 2068, 2118, 2444, 2538, 2574, 3102, 3177, 3666, 3861, 3883, 4236, 4589, 4653, 5076, 5148, 5499, 6204, 6354, 6721, 7332, 7722, 7766, 9178, 9306, 9531, 10998, 11649, 12708, 13442, 13767, 13959, 15444, 15532, 16497, 16591, 18356, 18612, 19062, 20163, 21996, 23298, 26884, 27534, 27918, 32994, 33182, 34947, 38124, 40326, 41301, 46596, 49773, 50479, 55068, 55836, 60489, 65988, 66364, 69894, 80652, 82602, 99546, 100958, 104841, 120978, 123903, 139788, 149319, 151437, 165204, 181467, 182501, 199092, 201916, 209682, 215683, 241956, 247806, 298638, 302874, 362934, 365002, 419364, 431366, 447957, 454311, 495612, 547503, 597276, 605748, 647049, 725868, 730004, 862732, 895914, 908622, 1095006, 1294098, 1362933, 1642509, 1791828, 1817244, 1941147, 2190012, 2372513, 2588196, 2725866, 3285018, 3882294, 4745026, 4927527, 5451732, 5823441, 6570036, 7117539, 7764588, 9490052, 9855054, 11646882, 14235078, 19710108, 21352617, 23293764, 28470156, 42705234, 64057851, 85410468, 128115702, 256231404]

約数ペア:

[(1, 256231404), (2, 128115702), (3, 85410468), (4, 64057851), (6, 42705234), (9, 28470156), (11, 23293764), (12, 21352617), (13, 19710108), (18, 14235078), (22, 11646882), (26, 9855054), (27, 9490052), (33, 7764588), (36, 7117539), (39, 6570036), (44, 5823441), (47, 5451732), (52, 4927527), (54, 4745026), (66, 3882294), (78, 3285018), (94, 2725866), (99, 2588196), (108, 2372513), (117, 2190012), (132, 1941147), (141, 1817244), (143, 1791828), (156, 1642509), (188, 1362933), (198, 1294098), (234, 1095006), (282, 908622), (286, 895914), (297, 862732), (351, 730004), (353, 725868), (396, 647049), (423, 605748), (429, 597276), (468, 547503), (517, 495612), (564, 454311), (572, 447957), (594, 431366), (611, 419364), (702, 365002), (706, 362934), (846, 302874), (858, 298638), (1034, 247806), (1059, 241956), (1188, 215683), (1222, 209682), (1269, 201916), (1287, 199092), (1404, 182501), (1412, 181467), (1551, 165204), (1692, 151437), (1716, 149319), (1833, 139788), (2068, 123903), (2118, 120978), (2444, 104841), (2538, 100958), (2574, 99546), (3102, 82602), (3177, 80652), (3666, 69894), (3861, 66364), (3883, 65988), (4236, 60489), (4589, 55836), (4653, 55068), (5076, 50479), (5148, 49773), (5499, 46596), (6204, 41301), (6354, 40326), (6721, 38124), (7332, 34947), (7722, 33182), (7766, 32994), (9178, 27918), (9306, 27534), (9531, 26884), (10998, 23298), (11649, 21996), (12708, 20163), (13442, 19062), (13767, 18612), (13959, 18356), (15444, 16591), (15532, 16497)]