261848160

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{1237}}^1$

素因数の和:1275

約数の個数: 288

約数和(自身を含む): 1066957920

約数和(自身を除く): 805109760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 315, 336, 360, 378, 392, 420, 432, 441, 480, 490, 504, 540, 560, 588, 630, 672, 720, 735, 756, 784, 840, 864, 882, 945, 980, 1008, 1080, 1120, 1176, 1237, 1260, 1323, 1440, 1470, 1512, 1568, 1680, 1764, 1890, 1960, 2016, 2160, 2205, 2352, 2474, 2520, 2646, 2940, 3024, 3360, 3528, 3711, 3780, 3920, 4320, 4410, 4704, 4948, 5040, 5292, 5880, 6048, 6185, 6615, 7056, 7422, 7560, 7840, 8659, 8820, 9896, 10080, 10584, 11133, 11760, 12370, 13230, 14112, 14844, 15120, 17318, 17640, 18555, 19792, 21168, 22266, 23520, 24740, 25977, 26460, 29688, 30240, 33399, 34636, 35280, 37110, 39584, 42336, 43295, 44532, 49480, 51954, 52920, 55665, 59376, 60613, 66798, 69272, 70560, 74220, 77931, 86590, 89064, 98960, 103908, 105840, 111330, 118752, 121226, 129885, 133596, 138544, 148440, 155862, 166995, 173180, 178128, 181839, 197920, 207816, 211680, 222660, 233793, 242452, 259770, 267192, 277088, 296880, 303065, 311724, 333990, 346360, 356256, 363678, 389655, 415632, 445320, 467586, 484904, 519540, 534384, 545517, 593760, 606130, 623448, 667980, 692720, 727356, 779310, 831264, 890640, 909195, 935172, 969808, 1039080, 1068768, 1091034, 1168965, 1212260, 1246896, 1335960, 1385440, 1454712, 1558620, 1636551, 1781280, 1818390, 1870344, 1939616, 2078160, 2182068, 2337930, 2424520, 2493792, 2671920, 2727585, 2909424, 3117240, 3273102, 3636780, 3740688, 4156320, 4364136, 4675860, 4849040, 5343840, 5455170, 5818848, 6234480, 6546204, 7273560, 7481376, 8182755, 8728272, 9351720, 9698080, 10910340, 12468960, 13092408, 14547120, 16365510, 17456544, 18703440, 21820680, 26184816, 29094240, 32731020, 37406880, 43641360, 52369632, 65462040, 87282720, 130924080, 261848160]

約数ペア:

[(1, 261848160), (2, 130924080), (3, 87282720), (4, 65462040), (5, 52369632), (6, 43641360), (7, 37406880), (8, 32731020), (9, 29094240), (10, 26184816), (12, 21820680), (14, 18703440), (15, 17456544), (16, 16365510), (18, 14547120), (20, 13092408), (21, 12468960), (24, 10910340), (27, 9698080), (28, 9351720), (30, 8728272), (32, 8182755), (35, 7481376), (36, 7273560), (40, 6546204), (42, 6234480), (45, 5818848), (48, 5455170), (49, 5343840), (54, 4849040), (56, 4675860), (60, 4364136), (63, 4156320), (70, 3740688), (72, 3636780), (80, 3273102), (84, 3117240), (90, 2909424), (96, 2727585), (98, 2671920), (105, 2493792), (108, 2424520), (112, 2337930), (120, 2182068), (126, 2078160), (135, 1939616), (140, 1870344), (144, 1818390), (147, 1781280), (160, 1636551), (168, 1558620), (180, 1454712), (189, 1385440), (196, 1335960), (210, 1246896), (216, 1212260), (224, 1168965), (240, 1091034), (245, 1068768), (252, 1039080), (270, 969808), (280, 935172), (288, 909195), (294, 890640), (315, 831264), (336, 779310), (360, 727356), (378, 692720), (392, 667980), (420, 623448), (432, 606130), (441, 593760), (480, 545517), (490, 534384), (504, 519540), (540, 484904), (560, 467586), (588, 445320), (630, 415632), (672, 389655), (720, 363678), (735, 356256), (756, 346360), (784, 333990), (840, 311724), (864, 303065), (882, 296880), (945, 277088), (980, 267192), (1008, 259770), (1080, 242452), (1120, 233793), (1176, 222660), (1237, 211680), (1260, 207816), (1323, 197920), (1440, 181839), (1470, 178128), (1512, 173180), (1568, 166995), (1680, 155862), (1764, 148440), (1890, 138544), (1960, 133596), (2016, 129885), (2160, 121226), (2205, 118752), (2352, 111330), (2474, 105840), (2520, 103908), (2646, 98960), (2940, 89064), (3024, 86590), (3360, 77931), (3528, 74220), (3711, 70560), (3780, 69272), (3920, 66798), (4320, 60613), (4410, 59376), (4704, 55665), (4948, 52920), (5040, 51954), (5292, 49480), (5880, 44532), (6048, 43295), (6185, 42336), (6615, 39584), (7056, 37110), (7422, 35280), (7560, 34636), (7840, 33399), (8659, 30240), (8820, 29688), (9896, 26460), (10080, 25977), (10584, 24740), (11133, 23520), (11760, 22266), (12370, 21168), (13230, 19792), (14112, 18555), (14844, 17640), (15120, 17318)]