261749040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{449}}^1$

素因数の和:819

約数の個数: 160

約数和(自身を含む): 932083200

約数和(自身を除く): 670334160

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 347, 420, 449, 560, 694, 840, 898, 1041, 1347, 1388, 1680, 1735, 1796, 2082, 2245, 2429, 2694, 2776, 3143, 3470, 3592, 4164, 4490, 4858, 5205, 5388, 5552, 6286, 6735, 6940, 7184, 7287, 8328, 8980, 9429, 9716, 10410, 10776, 12145, 12572, 13470, 13880, 14574, 15715, 16656, 17960, 18858, 19432, 20820, 21552, 24290, 25144, 26940, 27760, 29148, 31430, 35920, 36435, 37716, 38864, 41640, 47145, 48580, 50288, 53880, 58296, 62860, 72870, 75432, 83280, 94290, 97160, 107760, 116592, 125720, 145740, 150864, 155803, 188580, 194320, 251440, 291480, 311606, 377160, 467409, 582960, 623212, 754320, 779015, 934818, 1090621, 1246424, 1558030, 1869636, 2181242, 2337045, 2492848, 3116060, 3271863, 3739272, 4362484, 4674090, 5453105, 6232120, 6543726, 7478544, 8724968, 9348180, 10906210, 12464240, 13087452, 16359315, 17449936, 18696360, 21812420, 26174904, 32718630, 37392720, 43624840, 52349808, 65437260, 87249680, 130874520, 261749040]

約数ペア:

[(1, 261749040), (2, 130874520), (3, 87249680), (4, 65437260), (5, 52349808), (6, 43624840), (7, 37392720), (8, 32718630), (10, 26174904), (12, 21812420), (14, 18696360), (15, 17449936), (16, 16359315), (20, 13087452), (21, 12464240), (24, 10906210), (28, 9348180), (30, 8724968), (35, 7478544), (40, 6543726), (42, 6232120), (48, 5453105), (56, 4674090), (60, 4362484), (70, 3739272), (80, 3271863), (84, 3116060), (105, 2492848), (112, 2337045), (120, 2181242), (140, 1869636), (168, 1558030), (210, 1246424), (240, 1090621), (280, 934818), (336, 779015), (347, 754320), (420, 623212), (449, 582960), (560, 467409), (694, 377160), (840, 311606), (898, 291480), (1041, 251440), (1347, 194320), (1388, 188580), (1680, 155803), (1735, 150864), (1796, 145740), (2082, 125720), (2245, 116592), (2429, 107760), (2694, 97160), (2776, 94290), (3143, 83280), (3470, 75432), (3592, 72870), (4164, 62860), (4490, 58296), (4858, 53880), (5205, 50288), (5388, 48580), (5552, 47145), (6286, 41640), (6735, 38864), (6940, 37716), (7184, 36435), (7287, 35920), (8328, 31430), (8980, 29148), (9429, 27760), (9716, 26940), (10410, 25144), (10776, 24290), (12145, 21552), (12572, 20820), (13470, 19432), (13880, 18858), (14574, 17960), (15715, 16656)]