261301320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{14813}}^1$

素因数の和:14844

約数の個数: 144

約数和(自身を含む): 987945660

約数和(自身を除く): 726644340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 14813, 17640, 29626, 44439, 59252, 74065, 88878, 103691, 118504, 133317, 148130, 177756, 207382, 222195, 266634, 296260, 311073, 355512, 414764, 444390, 518455, 533268, 592520, 622146, 666585, 725837, 829528, 888780, 933219, 1036910, 1066536, 1244292, 1333170, 1451674, 1555365, 1777560, 1866438, 2073820, 2177511, 2488584, 2666340, 2903348, 3110730, 3629185, 3732876, 4147640, 4355022, 4666095, 5332680, 5806696, 6221460, 6532533, 7258370, 7465752, 8710044, 9332190, 10887555, 12442920, 13065066, 14516740, 17420088, 18664380, 21775110, 26130132, 29033480, 32662665, 37328760, 43550220, 52260264, 65325330, 87100440, 130650660, 261301320]

約数ペア:

[(1, 261301320), (2, 130650660), (3, 87100440), (4, 65325330), (5, 52260264), (6, 43550220), (7, 37328760), (8, 32662665), (9, 29033480), (10, 26130132), (12, 21775110), (14, 18664380), (15, 17420088), (18, 14516740), (20, 13065066), (21, 12442920), (24, 10887555), (28, 9332190), (30, 8710044), (35, 7465752), (36, 7258370), (40, 6532533), (42, 6221460), (45, 5806696), (49, 5332680), (56, 4666095), (60, 4355022), (63, 4147640), (70, 3732876), (72, 3629185), (84, 3110730), (90, 2903348), (98, 2666340), (105, 2488584), (120, 2177511), (126, 2073820), (140, 1866438), (147, 1777560), (168, 1555365), (180, 1451674), (196, 1333170), (210, 1244292), (245, 1066536), (252, 1036910), (280, 933219), (294, 888780), (315, 829528), (360, 725837), (392, 666585), (420, 622146), (441, 592520), (490, 533268), (504, 518455), (588, 444390), (630, 414764), (735, 355512), (840, 311073), (882, 296260), (980, 266634), (1176, 222195), (1260, 207382), (1470, 177756), (1764, 148130), (1960, 133317), (2205, 118504), (2520, 103691), (2940, 88878), (3528, 74065), (4410, 59252), (5880, 44439), (8820, 29626), (14813, 17640)]