256219524

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:160

約数の個数: 240

約数和(自身を含む): 787913280

約数和(自身を除く): 531693756

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 29, 33, 36, 37, 44, 54, 58, 66, 67, 74, 81, 87, 99, 108, 111, 116, 132, 134, 148, 162, 174, 198, 201, 222, 261, 268, 297, 319, 324, 333, 348, 396, 402, 407, 444, 522, 594, 603, 638, 666, 737, 783, 804, 814, 891, 957, 999, 1044, 1073, 1188, 1206, 1221, 1276, 1332, 1474, 1566, 1628, 1782, 1809, 1914, 1943, 1998, 2146, 2211, 2349, 2412, 2442, 2479, 2871, 2948, 2997, 3132, 3219, 3564, 3618, 3663, 3828, 3886, 3996, 4292, 4422, 4698, 4884, 4958, 5427, 5742, 5829, 5994, 6438, 6633, 7236, 7326, 7437, 7772, 8613, 8844, 9396, 9657, 9916, 10854, 10989, 11484, 11658, 11803, 11988, 12876, 13266, 14652, 14874, 17226, 17487, 19314, 19899, 21373, 21708, 21978, 22311, 23316, 23606, 25839, 26532, 27269, 28971, 29748, 32967, 34452, 34974, 35409, 38628, 39798, 42746, 43956, 44622, 47212, 51678, 52461, 54538, 57942, 59697, 64119, 65934, 66933, 69948, 70818, 71891, 79596, 81807, 85492, 86913, 89244, 103356, 104922, 106227, 109076, 115884, 119394, 128238, 131868, 133866, 141636, 143782, 157383, 163614, 173826, 192357, 200799, 209844, 212454, 215673, 238788, 245421, 256476, 267732, 287564, 314766, 318681, 327228, 347652, 384714, 401598, 424908, 431346, 490842, 577071, 629532, 637362, 647019, 736263, 769428, 790801, 803196, 862692, 956043, 981684, 1154142, 1274724, 1294038, 1472526, 1581602, 1731213, 1912086, 1941057, 2208789, 2308284, 2372403, 2588076, 2945052, 3163204, 3462426, 3824172, 3882114, 4417578, 4744806, 5823171, 6924852, 7117209, 7764228, 8835156, 9489612, 11646342, 14234418, 21351627, 23292684, 28468836, 42703254, 64054881, 85406508, 128109762, 256219524]

約数ペア:

[(1, 256219524), (2, 128109762), (3, 85406508), (4, 64054881), (6, 42703254), (9, 28468836), (11, 23292684), (12, 21351627), (18, 14234418), (22, 11646342), (27, 9489612), (29, 8835156), (33, 7764228), (36, 7117209), (37, 6924852), (44, 5823171), (54, 4744806), (58, 4417578), (66, 3882114), (67, 3824172), (74, 3462426), (81, 3163204), (87, 2945052), (99, 2588076), (108, 2372403), (111, 2308284), (116, 2208789), (132, 1941057), (134, 1912086), (148, 1731213), (162, 1581602), (174, 1472526), (198, 1294038), (201, 1274724), (222, 1154142), (261, 981684), (268, 956043), (297, 862692), (319, 803196), (324, 790801), (333, 769428), (348, 736263), (396, 647019), (402, 637362), (407, 629532), (444, 577071), (522, 490842), (594, 431346), (603, 424908), (638, 401598), (666, 384714), (737, 347652), (783, 327228), (804, 318681), (814, 314766), (891, 287564), (957, 267732), (999, 256476), (1044, 245421), (1073, 238788), (1188, 215673), (1206, 212454), (1221, 209844), (1276, 200799), (1332, 192357), (1474, 173826), (1566, 163614), (1628, 157383), (1782, 143782), (1809, 141636), (1914, 133866), (1943, 131868), (1998, 128238), (2146, 119394), (2211, 115884), (2349, 109076), (2412, 106227), (2442, 104922), (2479, 103356), (2871, 89244), (2948, 86913), (2997, 85492), (3132, 81807), (3219, 79596), (3564, 71891), (3618, 70818), (3663, 69948), (3828, 66933), (3886, 65934), (3996, 64119), (4292, 59697), (4422, 57942), (4698, 54538), (4884, 52461), (4958, 51678), (5427, 47212), (5742, 44622), (5829, 43956), (5994, 42746), (6438, 39798), (6633, 38628), (7236, 35409), (7326, 34974), (7437, 34452), (7772, 32967), (8613, 29748), (8844, 28971), (9396, 27269), (9657, 26532), (9916, 25839), (10854, 23606), (10989, 23316), (11484, 22311), (11658, 21978), (11803, 21708), (11988, 21373), (12876, 19899), (13266, 19314), (14652, 17487), (14874, 17226)]