7721560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 22809600

約数和(自身を除く): 15088040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 109, 110, 115, 140, 154, 161, 184, 218, 220, 230, 253, 280, 308, 322, 385, 436, 440, 460, 506, 545, 616, 644, 763, 770, 805, 872, 920, 1012, 1090, 1199, 1265, 1288, 1526, 1540, 1610, 1771, 2024, 2180, 2398, 2507, 2530, 3052, 3080, 3220, 3542, 3815, 4360, 4796, 5014, 5060, 5995, 6104, 6440, 7084, 7630, 8393, 8855, 9592, 10028, 10120, 11990, 12535, 14168, 15260, 16786, 17549, 17710, 20056, 23980, 25070, 27577, 30520, 33572, 35098, 35420, 41965, 47960, 50140, 55154, 67144, 70196, 70840, 83930, 87745, 100280, 110308, 137885, 140392, 167860, 175490, 193039, 220616, 275770, 335720, 350980, 386078, 551540, 701960, 772156, 965195, 1103080, 1544312, 1930390, 3860780, 7721560]

約数ペア:

[(1, 7721560), (2, 3860780), (4, 1930390), (5, 1544312), (7, 1103080), (8, 965195), (10, 772156), (11, 701960), (14, 551540), (20, 386078), (22, 350980), (23, 335720), (28, 275770), (35, 220616), (40, 193039), (44, 175490), (46, 167860), (55, 140392), (56, 137885), (70, 110308), (77, 100280), (88, 87745), (92, 83930), (109, 70840), (110, 70196), (115, 67144), (140, 55154), (154, 50140), (161, 47960), (184, 41965), (218, 35420), (220, 35098), (230, 33572), (253, 30520), (280, 27577), (308, 25070), (322, 23980), (385, 20056), (436, 17710), (440, 17549), (460, 16786), (506, 15260), (545, 14168), (616, 12535), (644, 11990), (763, 10120), (770, 10028), (805, 9592), (872, 8855), (920, 8393), (1012, 7630), (1090, 7084), (1199, 6440), (1265, 6104), (1288, 5995), (1526, 5060), (1540, 5014), (1610, 4796), (1771, 4360), (2024, 3815), (2180, 3542), (2398, 3220), (2507, 3080), (2530, 3052)]