28135080

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{239}}^1$

素因数の和:368

約数の個数: 128

約数和(自身を含む): 95040000

約数和(自身を除く): 66904920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 109, 120, 135, 180, 216, 218, 239, 270, 327, 360, 436, 478, 540, 545, 654, 717, 872, 956, 981, 1080, 1090, 1195, 1308, 1434, 1635, 1912, 1962, 2151, 2180, 2390, 2616, 2868, 2943, 3270, 3585, 3924, 4302, 4360, 4780, 4905, 5736, 5886, 6453, 6540, 7170, 7848, 8604, 9560, 9810, 10755, 11772, 12906, 13080, 14340, 14715, 17208, 19620, 21510, 23544, 25812, 26051, 28680, 29430, 32265, 39240, 43020, 51624, 52102, 58860, 64530, 78153, 86040, 104204, 117720, 129060, 130255, 156306, 208408, 234459, 258120, 260510, 312612, 390765, 468918, 521020, 625224, 703377, 781530, 937836, 1042040, 1172295, 1406754, 1563060, 1875672, 2344590, 2813508, 3126120, 3516885, 4689180, 5627016, 7033770, 9378360, 14067540, 28135080]

約数ペア:

[(1, 28135080), (2, 14067540), (3, 9378360), (4, 7033770), (5, 5627016), (6, 4689180), (8, 3516885), (9, 3126120), (10, 2813508), (12, 2344590), (15, 1875672), (18, 1563060), (20, 1406754), (24, 1172295), (27, 1042040), (30, 937836), (36, 781530), (40, 703377), (45, 625224), (54, 521020), (60, 468918), (72, 390765), (90, 312612), (108, 260510), (109, 258120), (120, 234459), (135, 208408), (180, 156306), (216, 130255), (218, 129060), (239, 117720), (270, 104204), (327, 86040), (360, 78153), (436, 64530), (478, 58860), (540, 52102), (545, 51624), (654, 43020), (717, 39240), (872, 32265), (956, 29430), (981, 28680), (1080, 26051), (1090, 25812), (1195, 23544), (1308, 21510), (1434, 19620), (1635, 17208), (1912, 14715), (1962, 14340), (2151, 13080), (2180, 12906), (2390, 11772), (2616, 10755), (2868, 9810), (2943, 9560), (3270, 8604), (3585, 7848), (3924, 7170), (4302, 6540), (4360, 6453), (4780, 5886), (4905, 5736)]