54255840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 185613120

約数和(自身を除く): 131357280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 61, 68, 80, 85, 96, 102, 109, 120, 122, 136, 160, 170, 183, 204, 218, 240, 244, 255, 272, 305, 327, 340, 366, 408, 436, 480, 488, 510, 544, 545, 610, 654, 680, 732, 816, 872, 915, 976, 1020, 1037, 1090, 1220, 1308, 1360, 1464, 1632, 1635, 1744, 1830, 1853, 1952, 2040, 2074, 2180, 2440, 2616, 2720, 2928, 3111, 3270, 3488, 3660, 3706, 4080, 4148, 4360, 4880, 5185, 5232, 5559, 5856, 6222, 6540, 6649, 7320, 7412, 8160, 8296, 8720, 9265, 9760, 10370, 10464, 11118, 12444, 13080, 13298, 14640, 14824, 15555, 16592, 17440, 18530, 19947, 20740, 22236, 24888, 26160, 26596, 27795, 29280, 29648, 31110, 33184, 33245, 37060, 39894, 41480, 44472, 49776, 52320, 53192, 55590, 59296, 62220, 66490, 74120, 79788, 82960, 88944, 99552, 99735, 106384, 111180, 113033, 124440, 132980, 148240, 159576, 165920, 177888, 199470, 212768, 222360, 226066, 248880, 265960, 296480, 319152, 339099, 398940, 444720, 452132, 497760, 531920, 565165, 638304, 678198, 797880, 889440, 904264, 1063840, 1130330, 1356396, 1595760, 1695495, 1808528, 2260660, 2712792, 3191520, 3390990, 3617056, 4521320, 5425584, 6781980, 9042640, 10851168, 13563960, 18085280, 27127920, 54255840]

約数ペア:

[(1, 54255840), (2, 27127920), (3, 18085280), (4, 13563960), (5, 10851168), (6, 9042640), (8, 6781980), (10, 5425584), (12, 4521320), (15, 3617056), (16, 3390990), (17, 3191520), (20, 2712792), (24, 2260660), (30, 1808528), (32, 1695495), (34, 1595760), (40, 1356396), (48, 1130330), (51, 1063840), (60, 904264), (61, 889440), (68, 797880), (80, 678198), (85, 638304), (96, 565165), (102, 531920), (109, 497760), (120, 452132), (122, 444720), (136, 398940), (160, 339099), (170, 319152), (183, 296480), (204, 265960), (218, 248880), (240, 226066), (244, 222360), (255, 212768), (272, 199470), (305, 177888), (327, 165920), (340, 159576), (366, 148240), (408, 132980), (436, 124440), (480, 113033), (488, 111180), (510, 106384), (544, 99735), (545, 99552), (610, 88944), (654, 82960), (680, 79788), (732, 74120), (816, 66490), (872, 62220), (915, 59296), (976, 55590), (1020, 53192), (1037, 52320), (1090, 49776), (1220, 44472), (1308, 41480), (1360, 39894), (1464, 37060), (1632, 33245), (1635, 33184), (1744, 31110), (1830, 29648), (1853, 29280), (1952, 27795), (2040, 26596), (2074, 26160), (2180, 24888), (2440, 22236), (2616, 20740), (2720, 19947), (2928, 18530), (3111, 17440), (3270, 16592), (3488, 15555), (3660, 14824), (3706, 14640), (4080, 13298), (4148, 13080), (4360, 12444), (4880, 11118), (5185, 10464), (5232, 10370), (5559, 9760), (5856, 9265), (6222, 8720), (6540, 8296), (6649, 8160), (7320, 7412)]