28723680

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:194

約数の個数: 192

約数和(自身を含む): 103118400

約数和(自身を除く): 74394720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 61, 72, 80, 90, 96, 108, 109, 120, 122, 135, 144, 160, 180, 183, 216, 218, 240, 244, 270, 288, 305, 327, 360, 366, 432, 436, 480, 488, 540, 545, 549, 610, 654, 720, 732, 864, 872, 915, 976, 981, 1080, 1090, 1098, 1220, 1308, 1440, 1464, 1635, 1647, 1744, 1830, 1952, 1962, 2160, 2180, 2196, 2440, 2616, 2745, 2928, 2943, 3270, 3294, 3488, 3660, 3924, 4320, 4360, 4392, 4880, 4905, 5232, 5490, 5856, 5886, 6540, 6588, 6649, 7320, 7848, 8235, 8720, 8784, 9760, 9810, 10464, 10980, 11772, 13080, 13176, 13298, 14640, 14715, 15696, 16470, 17440, 17568, 19620, 19947, 21960, 23544, 26160, 26352, 26596, 29280, 29430, 31392, 32940, 33245, 39240, 39894, 43920, 47088, 52320, 52704, 53192, 58860, 59841, 65880, 66490, 78480, 79788, 87840, 94176, 99735, 106384, 117720, 119682, 131760, 132980, 156960, 159576, 179523, 199470, 212768, 235440, 239364, 263520, 265960, 299205, 319152, 359046, 398940, 470880, 478728, 531920, 598410, 638304, 718092, 797880, 897615, 957456, 1063840, 1196820, 1436184, 1595760, 1795230, 1914912, 2393640, 2872368, 3191520, 3590460, 4787280, 5744736, 7180920, 9574560, 14361840, 28723680]

約数ペア:

[(1, 28723680), (2, 14361840), (3, 9574560), (4, 7180920), (5, 5744736), (6, 4787280), (8, 3590460), (9, 3191520), (10, 2872368), (12, 2393640), (15, 1914912), (16, 1795230), (18, 1595760), (20, 1436184), (24, 1196820), (27, 1063840), (30, 957456), (32, 897615), (36, 797880), (40, 718092), (45, 638304), (48, 598410), (54, 531920), (60, 478728), (61, 470880), (72, 398940), (80, 359046), (90, 319152), (96, 299205), (108, 265960), (109, 263520), (120, 239364), (122, 235440), (135, 212768), (144, 199470), (160, 179523), (180, 159576), (183, 156960), (216, 132980), (218, 131760), (240, 119682), (244, 117720), (270, 106384), (288, 99735), (305, 94176), (327, 87840), (360, 79788), (366, 78480), (432, 66490), (436, 65880), (480, 59841), (488, 58860), (540, 53192), (545, 52704), (549, 52320), (610, 47088), (654, 43920), (720, 39894), (732, 39240), (864, 33245), (872, 32940), (915, 31392), (976, 29430), (981, 29280), (1080, 26596), (1090, 26352), (1098, 26160), (1220, 23544), (1308, 21960), (1440, 19947), (1464, 19620), (1635, 17568), (1647, 17440), (1744, 16470), (1830, 15696), (1952, 14715), (1962, 14640), (2160, 13298), (2180, 13176), (2196, 13080), (2440, 11772), (2616, 10980), (2745, 10464), (2928, 9810), (2943, 9760), (3270, 8784), (3294, 8720), (3488, 8235), (3660, 7848), (3924, 7320), (4320, 6649), (4360, 6588), (4392, 6540), (4880, 5886), (4905, 5856), (5232, 5490)]