128991912

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1$

素因数の和:316

約数の個数: 192

約数和(自身を含む): 413683200

約数和(自身を除く): 284691288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 23, 24, 28, 38, 42, 46, 49, 56, 57, 69, 76, 84, 92, 98, 114, 133, 138, 147, 152, 161, 168, 184, 196, 228, 251, 266, 276, 294, 322, 392, 399, 437, 456, 483, 502, 532, 552, 588, 644, 753, 798, 874, 931, 966, 1004, 1064, 1127, 1176, 1288, 1311, 1506, 1596, 1748, 1757, 1862, 1932, 2008, 2254, 2622, 2793, 3012, 3059, 3192, 3381, 3496, 3514, 3724, 3864, 4508, 4769, 5244, 5271, 5586, 5773, 6024, 6118, 6762, 7028, 7448, 9016, 9177, 9538, 10488, 10542, 11172, 11546, 12236, 12299, 13524, 14056, 14307, 17319, 18354, 19076, 21084, 21413, 22344, 23092, 24472, 24598, 27048, 28614, 33383, 34638, 36708, 36897, 38152, 40411, 42168, 42826, 46184, 49196, 57228, 64239, 66766, 69276, 73416, 73794, 80822, 85652, 98392, 100149, 109687, 114456, 121233, 128478, 133532, 138552, 147588, 161644, 171304, 200298, 219374, 233681, 242466, 256956, 267064, 282877, 295176, 323288, 329061, 400596, 438748, 467362, 484932, 513912, 565754, 658122, 701043, 767809, 801192, 848631, 877496, 934724, 969864, 1131508, 1316244, 1402086, 1535618, 1697262, 1869448, 2263016, 2303427, 2632488, 2804172, 3071236, 3394524, 4606854, 5374663, 5608344, 6142472, 6789048, 9213708, 10749326, 16123989, 18427416, 21498652, 32247978, 42997304, 64495956, 128991912]

約数ペア:

[(1, 128991912), (2, 64495956), (3, 42997304), (4, 32247978), (6, 21498652), (7, 18427416), (8, 16123989), (12, 10749326), (14, 9213708), (19, 6789048), (21, 6142472), (23, 5608344), (24, 5374663), (28, 4606854), (38, 3394524), (42, 3071236), (46, 2804172), (49, 2632488), (56, 2303427), (57, 2263016), (69, 1869448), (76, 1697262), (84, 1535618), (92, 1402086), (98, 1316244), (114, 1131508), (133, 969864), (138, 934724), (147, 877496), (152, 848631), (161, 801192), (168, 767809), (184, 701043), (196, 658122), (228, 565754), (251, 513912), (266, 484932), (276, 467362), (294, 438748), (322, 400596), (392, 329061), (399, 323288), (437, 295176), (456, 282877), (483, 267064), (502, 256956), (532, 242466), (552, 233681), (588, 219374), (644, 200298), (753, 171304), (798, 161644), (874, 147588), (931, 138552), (966, 133532), (1004, 128478), (1064, 121233), (1127, 114456), (1176, 109687), (1288, 100149), (1311, 98392), (1506, 85652), (1596, 80822), (1748, 73794), (1757, 73416), (1862, 69276), (1932, 66766), (2008, 64239), (2254, 57228), (2622, 49196), (2793, 46184), (3012, 42826), (3059, 42168), (3192, 40411), (3381, 38152), (3496, 36897), (3514, 36708), (3724, 34638), (3864, 33383), (4508, 28614), (4769, 27048), (5244, 24598), (5271, 24472), (5586, 23092), (5773, 22344), (6024, 21413), (6118, 21084), (6762, 19076), (7028, 18354), (7448, 17319), (9016, 14307), (9177, 14056), (9538, 13524), (10488, 12299), (10542, 12236), (11172, 11546)]