254608560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1777}}^1$

素因数の和:1995

約数の個数: 120

約数和(自身を含む): 859840800

約数和(自身を除く): 605232240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 199, 240, 360, 398, 597, 720, 796, 995, 1194, 1592, 1777, 1791, 1990, 2388, 2985, 3184, 3554, 3582, 3980, 4776, 5331, 5970, 7108, 7164, 7960, 8885, 8955, 9552, 10662, 11940, 14216, 14328, 15920, 15993, 17770, 17910, 21324, 23880, 26655, 28432, 28656, 31986, 35540, 35820, 42648, 47760, 53310, 63972, 71080, 71640, 79965, 85296, 106620, 127944, 142160, 143280, 159930, 213240, 255888, 319860, 353623, 426480, 639720, 707246, 1060869, 1279440, 1414492, 1768115, 2121738, 2828984, 3182607, 3536230, 4243476, 5304345, 5657968, 6365214, 7072460, 8486952, 10608690, 12730428, 14144920, 15913035, 16973904, 21217380, 25460856, 28289840, 31826070, 42434760, 50921712, 63652140, 84869520, 127304280, 254608560]

約数ペア:

[(1, 254608560), (2, 127304280), (3, 84869520), (4, 63652140), (5, 50921712), (6, 42434760), (8, 31826070), (9, 28289840), (10, 25460856), (12, 21217380), (15, 16973904), (16, 15913035), (18, 14144920), (20, 12730428), (24, 10608690), (30, 8486952), (36, 7072460), (40, 6365214), (45, 5657968), (48, 5304345), (60, 4243476), (72, 3536230), (80, 3182607), (90, 2828984), (120, 2121738), (144, 1768115), (180, 1414492), (199, 1279440), (240, 1060869), (360, 707246), (398, 639720), (597, 426480), (720, 353623), (796, 319860), (995, 255888), (1194, 213240), (1592, 159930), (1777, 143280), (1791, 142160), (1990, 127944), (2388, 106620), (2985, 85296), (3184, 79965), (3554, 71640), (3582, 71080), (3980, 63972), (4776, 53310), (5331, 47760), (5970, 42648), (7108, 35820), (7164, 35540), (7960, 31986), (8885, 28656), (8955, 28432), (9552, 26655), (10662, 23880), (11940, 21324), (14216, 17910), (14328, 17770), (15920, 15993)]