6781980

素因数分解:

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

素因数の和:199

約数の個数: 96

約数和(自身を含む): 20623680

約数和(自身を除く): 13841700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 61, 68, 85, 102, 109, 122, 170, 183, 204, 218, 244, 255, 305, 327, 340, 366, 436, 510, 545, 610, 654, 732, 915, 1020, 1037, 1090, 1220, 1308, 1635, 1830, 1853, 2074, 2180, 3111, 3270, 3660, 3706, 4148, 5185, 5559, 6222, 6540, 6649, 7412, 9265, 10370, 11118, 12444, 13298, 15555, 18530, 19947, 20740, 22236, 26596, 27795, 31110, 33245, 37060, 39894, 55590, 62220, 66490, 79788, 99735, 111180, 113033, 132980, 199470, 226066, 339099, 398940, 452132, 565165, 678198, 1130330, 1356396, 1695495, 2260660, 3390990, 6781980]

約数ペア:

[(1, 6781980), (2, 3390990), (3, 2260660), (4, 1695495), (5, 1356396), (6, 1130330), (10, 678198), (12, 565165), (15, 452132), (17, 398940), (20, 339099), (30, 226066), (34, 199470), (51, 132980), (60, 113033), (61, 111180), (68, 99735), (85, 79788), (102, 66490), (109, 62220), (122, 55590), (170, 39894), (183, 37060), (204, 33245), (218, 31110), (244, 27795), (255, 26596), (305, 22236), (327, 20740), (340, 19947), (366, 18530), (436, 15555), (510, 13298), (545, 12444), (610, 11118), (654, 10370), (732, 9265), (915, 7412), (1020, 6649), (1037, 6540), (1090, 6222), (1220, 5559), (1308, 5185), (1635, 4148), (1830, 3706), (1853, 3660), (2074, 3270), (2180, 3111)]