51041340

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{643}}^1$

素因数の和:678

約数の個数: 180

約数和(自身を含む): 186550056

約数和(自身を除く): 135508716

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 643, 735, 756, 810, 882, 945, 980, 1134, 1260, 1286, 1323, 1470, 1620, 1764, 1890, 1929, 2205, 2268, 2572, 2646, 2835, 2940, 3215, 3780, 3858, 3969, 4410, 4501, 5292, 5670, 5787, 6430, 6615, 7716, 7938, 8820, 9002, 9645, 11340, 11574, 12860, 13230, 13503, 15876, 17361, 18004, 19290, 19845, 22505, 23148, 26460, 27006, 28935, 31507, 34722, 38580, 39690, 40509, 45010, 52083, 54012, 57870, 63014, 67515, 69444, 79380, 81018, 86805, 90020, 94521, 104166, 115740, 121527, 126028, 135030, 157535, 162036, 173610, 189042, 202545, 208332, 243054, 260415, 270060, 283563, 315070, 347220, 364581, 378084, 405090, 472605, 486108, 520830, 567126, 607635, 630140, 729162, 810180, 850689, 945210, 1041660, 1134252, 1215270, 1417815, 1458324, 1701378, 1822905, 1890420, 2430540, 2552067, 2835630, 3402756, 3645810, 4253445, 5104134, 5671260, 7291620, 8506890, 10208268, 12760335, 17013780, 25520670, 51041340]

約数ペア:

[(1, 51041340), (2, 25520670), (3, 17013780), (4, 12760335), (5, 10208268), (6, 8506890), (7, 7291620), (9, 5671260), (10, 5104134), (12, 4253445), (14, 3645810), (15, 3402756), (18, 2835630), (20, 2552067), (21, 2430540), (27, 1890420), (28, 1822905), (30, 1701378), (35, 1458324), (36, 1417815), (42, 1215270), (45, 1134252), (49, 1041660), (54, 945210), (60, 850689), (63, 810180), (70, 729162), (81, 630140), (84, 607635), (90, 567126), (98, 520830), (105, 486108), (108, 472605), (126, 405090), (135, 378084), (140, 364581), (147, 347220), (162, 315070), (180, 283563), (189, 270060), (196, 260415), (210, 243054), (245, 208332), (252, 202545), (270, 189042), (294, 173610), (315, 162036), (324, 157535), (378, 135030), (405, 126028), (420, 121527), (441, 115740), (490, 104166), (540, 94521), (567, 90020), (588, 86805), (630, 81018), (643, 79380), (735, 69444), (756, 67515), (810, 63014), (882, 57870), (945, 54012), (980, 52083), (1134, 45010), (1260, 40509), (1286, 39690), (1323, 38580), (1470, 34722), (1620, 31507), (1764, 28935), (1890, 27006), (1929, 26460), (2205, 23148), (2268, 22505), (2572, 19845), (2646, 19290), (2835, 18004), (2940, 17361), (3215, 15876), (3780, 13503), (3858, 13230), (3969, 12860), (4410, 11574), (4501, 11340), (5292, 9645), (5670, 9002), (5787, 8820), (6430, 7938), (6615, 7716)]