128928072

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:300

約数の個数: 192

約数和(自身を含む): 421632000

約数和(自身を除く): 292703928

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 52, 56, 57, 76, 78, 84, 91, 104, 114, 133, 152, 156, 168, 169, 182, 228, 239, 247, 266, 273, 312, 338, 364, 399, 456, 478, 494, 507, 532, 546, 676, 717, 728, 741, 798, 956, 988, 1014, 1064, 1092, 1183, 1352, 1434, 1482, 1596, 1673, 1729, 1912, 1976, 2028, 2184, 2366, 2868, 2964, 3107, 3192, 3211, 3346, 3458, 3549, 4056, 4541, 4732, 5019, 5187, 5736, 5928, 6214, 6422, 6692, 6916, 7098, 9082, 9321, 9464, 9633, 10038, 10374, 12428, 12844, 13384, 13623, 13832, 14196, 18164, 18642, 19266, 20076, 20748, 21749, 22477, 24856, 25688, 27246, 28392, 31787, 36328, 37284, 38532, 40152, 40391, 41496, 43498, 44954, 54492, 59033, 63574, 65247, 67431, 74568, 77064, 80782, 86996, 89908, 95361, 108984, 118066, 121173, 127148, 130494, 134862, 161564, 173992, 177099, 179816, 190722, 236132, 242346, 254296, 260988, 269724, 282737, 323128, 354198, 381444, 413231, 472264, 484692, 521976, 539448, 565474, 708396, 762888, 767429, 826462, 848211, 969384, 1130948, 1239693, 1416792, 1534858, 1652924, 1696422, 2261896, 2302287, 2479386, 3069716, 3305848, 3392844, 4604574, 4958772, 5372003, 6139432, 6785688, 9209148, 9917544, 10744006, 16116009, 18418296, 21488012, 32232018, 42976024, 64464036, 128928072]

約数ペア:

[(1, 128928072), (2, 64464036), (3, 42976024), (4, 32232018), (6, 21488012), (7, 18418296), (8, 16116009), (12, 10744006), (13, 9917544), (14, 9209148), (19, 6785688), (21, 6139432), (24, 5372003), (26, 4958772), (28, 4604574), (38, 3392844), (39, 3305848), (42, 3069716), (52, 2479386), (56, 2302287), (57, 2261896), (76, 1696422), (78, 1652924), (84, 1534858), (91, 1416792), (104, 1239693), (114, 1130948), (133, 969384), (152, 848211), (156, 826462), (168, 767429), (169, 762888), (182, 708396), (228, 565474), (239, 539448), (247, 521976), (266, 484692), (273, 472264), (312, 413231), (338, 381444), (364, 354198), (399, 323128), (456, 282737), (478, 269724), (494, 260988), (507, 254296), (532, 242346), (546, 236132), (676, 190722), (717, 179816), (728, 177099), (741, 173992), (798, 161564), (956, 134862), (988, 130494), (1014, 127148), (1064, 121173), (1092, 118066), (1183, 108984), (1352, 95361), (1434, 89908), (1482, 86996), (1596, 80782), (1673, 77064), (1729, 74568), (1912, 67431), (1976, 65247), (2028, 63574), (2184, 59033), (2366, 54492), (2868, 44954), (2964, 43498), (3107, 41496), (3192, 40391), (3211, 40152), (3346, 38532), (3458, 37284), (3549, 36328), (4056, 31787), (4541, 28392), (4732, 27246), (5019, 25688), (5187, 24856), (5736, 22477), (5928, 21749), (6214, 20748), (6422, 20076), (6692, 19266), (6916, 18642), (7098, 18164), (9082, 14196), (9321, 13832), (9464, 13623), (9633, 13384), (10038, 12844), (10374, 12428)]