256789764

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:157

約数の個数: 288

約数和(自身を含む): 868847616

約数和(自身を除く): 612057852

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 47, 54, 63, 66, 73, 77, 81, 84, 94, 99, 108, 126, 132, 141, 146, 154, 162, 188, 189, 198, 219, 231, 243, 252, 282, 292, 297, 308, 324, 329, 378, 396, 423, 438, 462, 486, 511, 517, 564, 567, 594, 657, 658, 693, 756, 803, 846, 876, 891, 924, 972, 987, 1022, 1034, 1134, 1188, 1269, 1314, 1316, 1386, 1533, 1551, 1606, 1692, 1701, 1782, 1971, 1974, 2044, 2068, 2079, 2268, 2409, 2538, 2628, 2673, 2772, 2961, 3066, 3102, 3212, 3402, 3431, 3564, 3619, 3807, 3942, 3948, 4158, 4599, 4653, 4818, 5076, 5346, 5621, 5913, 5922, 6132, 6204, 6237, 6804, 6862, 7227, 7238, 7614, 7884, 8316, 8883, 9198, 9306, 9636, 10293, 10692, 10857, 11242, 11421, 11826, 11844, 12474, 13724, 13797, 13959, 14454, 14476, 15228, 16863, 17739, 17766, 18396, 18612, 18711, 20586, 21681, 21714, 22484, 22842, 23652, 24017, 24948, 26649, 27594, 27918, 28908, 30879, 32571, 33726, 35478, 35532, 37422, 37741, 41172, 41391, 41877, 43362, 43428, 45684, 48034, 50589, 53298, 55188, 55836, 61758, 65043, 65142, 67452, 70956, 72051, 74844, 75482, 79947, 82782, 83754, 86724, 92637, 96068, 97713, 101178, 106596, 113223, 123516, 124173, 125631, 130086, 130284, 144102, 150964, 151767, 159894, 165564, 167508, 185274, 195129, 195426, 202356, 216153, 226446, 248346, 251262, 260172, 264187, 277911, 288204, 293139, 303534, 319788, 339669, 370548, 390258, 390852, 432306, 452892, 455301, 496692, 502524, 528374, 555822, 586278, 607068, 648459, 679338, 780516, 792561, 833733, 864612, 879417, 910602, 1019007, 1056748, 1111644, 1172556, 1296918, 1358676, 1365903, 1585122, 1667466, 1758834, 1821204, 1945377, 2038014, 2377683, 2593836, 2731806, 3057021, 3170244, 3334932, 3517668, 3890754, 4076028, 4755366, 5463612, 5836131, 6114042, 7133049, 7781508, 9171063, 9510732, 11672262, 12228084, 14266098, 18342126, 21399147, 23344524, 28532196, 36684252, 42798294, 64197441, 85596588, 128394882, 256789764]

約数ペア:

[(1, 256789764), (2, 128394882), (3, 85596588), (4, 64197441), (6, 42798294), (7, 36684252), (9, 28532196), (11, 23344524), (12, 21399147), (14, 18342126), (18, 14266098), (21, 12228084), (22, 11672262), (27, 9510732), (28, 9171063), (33, 7781508), (36, 7133049), (42, 6114042), (44, 5836131), (47, 5463612), (54, 4755366), (63, 4076028), (66, 3890754), (73, 3517668), (77, 3334932), (81, 3170244), (84, 3057021), (94, 2731806), (99, 2593836), (108, 2377683), (126, 2038014), (132, 1945377), (141, 1821204), (146, 1758834), (154, 1667466), (162, 1585122), (188, 1365903), (189, 1358676), (198, 1296918), (219, 1172556), (231, 1111644), (243, 1056748), (252, 1019007), (282, 910602), (292, 879417), (297, 864612), (308, 833733), (324, 792561), (329, 780516), (378, 679338), (396, 648459), (423, 607068), (438, 586278), (462, 555822), (486, 528374), (511, 502524), (517, 496692), (564, 455301), (567, 452892), (594, 432306), (657, 390852), (658, 390258), (693, 370548), (756, 339669), (803, 319788), (846, 303534), (876, 293139), (891, 288204), (924, 277911), (972, 264187), (987, 260172), (1022, 251262), (1034, 248346), (1134, 226446), (1188, 216153), (1269, 202356), (1314, 195426), (1316, 195129), (1386, 185274), (1533, 167508), (1551, 165564), (1606, 159894), (1692, 151767), (1701, 150964), (1782, 144102), (1971, 130284), (1974, 130086), (2044, 125631), (2068, 124173), (2079, 123516), (2268, 113223), (2409, 106596), (2538, 101178), (2628, 97713), (2673, 96068), (2772, 92637), (2961, 86724), (3066, 83754), (3102, 82782), (3212, 79947), (3402, 75482), (3431, 74844), (3564, 72051), (3619, 70956), (3807, 67452), (3942, 65142), (3948, 65043), (4158, 61758), (4599, 55836), (4653, 55188), (4818, 53298), (5076, 50589), (5346, 48034), (5621, 45684), (5913, 43428), (5922, 43362), (6132, 41877), (6204, 41391), (6237, 41172), (6804, 37741), (6862, 37422), (7227, 35532), (7238, 35478), (7614, 33726), (7884, 32571), (8316, 30879), (8883, 28908), (9198, 27918), (9306, 27594), (9636, 26649), (10293, 24948), (10692, 24017), (10857, 23652), (11242, 22842), (11421, 22484), (11826, 21714), (11844, 21681), (12474, 20586), (13724, 18711), (13797, 18612), (13959, 18396), (14454, 17766), (14476, 17739), (15228, 16863)]