261460080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{7411}}^1$

素因数の和:7444

約数の個数: 180

約数和(自身を含む): 1021566312

約数和(自身を除く): 760106232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 7411, 8820, 11760, 14822, 17640, 22233, 29644, 35280, 37055, 44466, 51877, 59288, 66699, 74110, 88932, 103754, 111165, 118576, 133398, 148220, 155631, 177864, 207508, 222330, 259385, 266796, 296440, 311262, 333495, 355728, 363139, 415016, 444660, 466893, 518770, 533592, 592880, 622524, 666990, 726278, 778155, 830032, 889320, 933786, 1037540, 1067184, 1089417, 1245048, 1333980, 1452556, 1556310, 1778640, 1815695, 1867572, 2075080, 2178834, 2334465, 2490096, 2667960, 2905112, 3112620, 3268251, 3631390, 3735144, 4150160, 4357668, 4668930, 5335920, 5447085, 5810224, 6225240, 6536502, 7262780, 7470288, 8715336, 9337860, 10894170, 12450480, 13073004, 14525560, 16341255, 17430672, 18675720, 21788340, 26146008, 29051120, 32682510, 37351440, 43576680, 52292016, 65365020, 87153360, 130730040, 261460080]

約数ペア:

[(1, 261460080), (2, 130730040), (3, 87153360), (4, 65365020), (5, 52292016), (6, 43576680), (7, 37351440), (8, 32682510), (9, 29051120), (10, 26146008), (12, 21788340), (14, 18675720), (15, 17430672), (16, 16341255), (18, 14525560), (20, 13073004), (21, 12450480), (24, 10894170), (28, 9337860), (30, 8715336), (35, 7470288), (36, 7262780), (40, 6536502), (42, 6225240), (45, 5810224), (48, 5447085), (49, 5335920), (56, 4668930), (60, 4357668), (63, 4150160), (70, 3735144), (72, 3631390), (80, 3268251), (84, 3112620), (90, 2905112), (98, 2667960), (105, 2490096), (112, 2334465), (120, 2178834), (126, 2075080), (140, 1867572), (144, 1815695), (147, 1778640), (168, 1556310), (180, 1452556), (196, 1333980), (210, 1245048), (240, 1089417), (245, 1067184), (252, 1037540), (280, 933786), (294, 889320), (315, 830032), (336, 778155), (360, 726278), (392, 666990), (420, 622524), (441, 592880), (490, 533592), (504, 518770), (560, 466893), (588, 444660), (630, 415016), (720, 363139), (735, 355728), (784, 333495), (840, 311262), (882, 296440), (980, 266796), (1008, 259385), (1176, 222330), (1260, 207508), (1470, 177864), (1680, 155631), (1764, 148220), (1960, 133398), (2205, 118576), (2352, 111165), (2520, 103754), (2940, 88932), (3528, 74110), (3920, 66699), (4410, 59288), (5040, 51877), (5880, 44466), (7056, 37055), (7411, 35280), (8820, 29644), (11760, 22233), (14822, 17640)]