261038520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11887}}^1$

素因数の和:11965

約数の個数: 96

約数和(自身を含む): 862355520

約数和(自身を除く): 601317000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 1098, 1220, 1464, 1830, 2196, 2440, 2745, 3660, 4392, 5490, 7320, 10980, 11887, 21960, 23774, 35661, 47548, 59435, 71322, 95096, 106983, 118870, 142644, 178305, 213966, 237740, 285288, 356610, 427932, 475480, 534915, 713220, 725107, 855864, 1069830, 1426440, 1450214, 2139660, 2175321, 2900428, 3625535, 4279320, 4350642, 5800856, 6525963, 7251070, 8701284, 10876605, 13051926, 14502140, 17402568, 21753210, 26103852, 29004280, 32629815, 43506420, 52207704, 65259630, 87012840, 130519260, 261038520]

約数ペア:

[(1, 261038520), (2, 130519260), (3, 87012840), (4, 65259630), (5, 52207704), (6, 43506420), (8, 32629815), (9, 29004280), (10, 26103852), (12, 21753210), (15, 17402568), (18, 14502140), (20, 13051926), (24, 10876605), (30, 8701284), (36, 7251070), (40, 6525963), (45, 5800856), (60, 4350642), (61, 4279320), (72, 3625535), (90, 2900428), (120, 2175321), (122, 2139660), (180, 1450214), (183, 1426440), (244, 1069830), (305, 855864), (360, 725107), (366, 713220), (488, 534915), (549, 475480), (610, 427932), (732, 356610), (915, 285288), (1098, 237740), (1220, 213966), (1464, 178305), (1830, 142644), (2196, 118870), (2440, 106983), (2745, 95096), (3660, 71322), (4392, 59435), (5490, 47548), (7320, 35661), (10980, 23774), (11887, 21960)]