312271980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{306149}}^1$

素因数の和:306178

約数の個数: 48

約数和(自身を含む): 925797600

約数和(自身を除く): 613525620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 306149, 612298, 918447, 1224596, 1530745, 1836894, 3061490, 3673788, 4592235, 5204533, 6122980, 9184470, 10409066, 15613599, 18368940, 20818132, 26022665, 31227198, 52045330, 62454396, 78067995, 104090660, 156135990, 312271980]

約数ペア:

[(1, 312271980), (2, 156135990), (3, 104090660), (4, 78067995), (5, 62454396), (6, 52045330), (10, 31227198), (12, 26022665), (15, 20818132), (17, 18368940), (20, 15613599), (30, 10409066), (34, 9184470), (51, 6122980), (60, 5204533), (68, 4592235), (85, 3673788), (102, 3061490), (170, 1836894), (204, 1530745), (255, 1224596), (340, 918447), (510, 612298), (1020, 306149)]