1261009568

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1$

素因数の和:351

約数の個数: 192

約数和(自身を含む): 3219793920

約数和(自身を除く): 1958784352

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 61, 62, 91, 104, 112, 122, 124, 182, 208, 217, 224, 229, 244, 248, 364, 403, 416, 427, 434, 458, 488, 496, 728, 793, 806, 854, 868, 916, 976, 992, 1456, 1586, 1603, 1612, 1708, 1736, 1832, 1891, 1952, 2821, 2912, 2977, 3172, 3206, 3224, 3416, 3472, 3664, 3782, 5551, 5642, 5954, 6344, 6412, 6448, 6832, 6944, 7099, 7328, 7564, 11102, 11284, 11908, 12688, 12824, 12896, 13237, 13664, 13969, 14198, 15128, 20839, 22204, 22568, 23816, 24583, 25376, 25648, 26474, 27938, 28396, 30256, 41678, 44408, 45136, 47632, 49166, 49693, 51296, 52948, 55876, 56792, 60512, 83356, 88816, 90272, 92287, 95264, 97783, 98332, 99386, 105896, 111752, 113584, 166712, 172081, 177632, 181597, 184574, 195566, 196664, 198772, 211792, 223504, 227168, 333424, 344162, 363194, 369148, 391132, 393328, 397544, 423584, 433039, 447008, 646009, 666848, 688324, 726388, 738296, 782264, 786656, 795088, 866078, 1271179, 1292018, 1376648, 1452776, 1476592, 1564528, 1590176, 1732156, 2542358, 2584036, 2753296, 2905552, 2953184, 3031273, 3129056, 3464312, 5084716, 5168072, 5506592, 5629507, 5811104, 6062546, 6928624, 10169432, 10336144, 11259014, 12125092, 13857248, 20338864, 20672288, 22518028, 24250184, 39406549, 40677728, 45036056, 48500368, 78813098, 90072112, 97000736, 157626196, 180144224, 315252392, 630504784, 1261009568]

約数ペア:

[(1, 1261009568), (2, 630504784), (4, 315252392), (7, 180144224), (8, 157626196), (13, 97000736), (14, 90072112), (16, 78813098), (26, 48500368), (28, 45036056), (31, 40677728), (32, 39406549), (52, 24250184), (56, 22518028), (61, 20672288), (62, 20338864), (91, 13857248), (104, 12125092), (112, 11259014), (122, 10336144), (124, 10169432), (182, 6928624), (208, 6062546), (217, 5811104), (224, 5629507), (229, 5506592), (244, 5168072), (248, 5084716), (364, 3464312), (403, 3129056), (416, 3031273), (427, 2953184), (434, 2905552), (458, 2753296), (488, 2584036), (496, 2542358), (728, 1732156), (793, 1590176), (806, 1564528), (854, 1476592), (868, 1452776), (916, 1376648), (976, 1292018), (992, 1271179), (1456, 866078), (1586, 795088), (1603, 786656), (1612, 782264), (1708, 738296), (1736, 726388), (1832, 688324), (1891, 666848), (1952, 646009), (2821, 447008), (2912, 433039), (2977, 423584), (3172, 397544), (3206, 393328), (3224, 391132), (3416, 369148), (3472, 363194), (3664, 344162), (3782, 333424), (5551, 227168), (5642, 223504), (5954, 211792), (6344, 198772), (6412, 196664), (6448, 195566), (6832, 184574), (6944, 181597), (7099, 177632), (7328, 172081), (7564, 166712), (11102, 113584), (11284, 111752), (11908, 105896), (12688, 99386), (12824, 98332), (12896, 97783), (13237, 95264), (13664, 92287), (13969, 90272), (14198, 88816), (15128, 83356), (20839, 60512), (22204, 56792), (22568, 55876), (23816, 52948), (24583, 51296), (25376, 49693), (25648, 49166), (26474, 47632), (27938, 45136), (28396, 44408), (30256, 41678)]