21181425120

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{130171}}^1$

素因数の和:130305

約数の個数: 144

約数和(自身を含む): 72921833712

約数和(自身を除く): 51740408592

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 113, 120, 144, 160, 180, 226, 240, 288, 339, 360, 452, 480, 565, 678, 720, 904, 1017, 1130, 1356, 1440, 1695, 1808, 2034, 2260, 2712, 3390, 3616, 4068, 4520, 5085, 5424, 6780, 8136, 9040, 10170, 10848, 13560, 16272, 18080, 20340, 27120, 32544, 40680, 54240, 81360, 130171, 162720, 260342, 390513, 520684, 650855, 781026, 1041368, 1171539, 1301710, 1562052, 1952565, 2082736, 2343078, 2603420, 3124104, 3905130, 4165472, 4686156, 5206840, 5857695, 6248208, 7810260, 9372312, 10413680, 11715390, 12496416, 14709323, 15620520, 18744624, 20827360, 23430780, 29418646, 31241040, 37489248, 44127969, 46861560, 58837292, 62482080, 73546615, 88255938, 93723120, 117674584, 132383907, 147093230, 176511876, 187446240, 220639845, 235349168, 264767814, 294186460, 353023752, 441279690, 470698336, 529535628, 588372920, 661919535, 706047504, 882559380, 1059071256, 1176745840, 1323839070, 1412095008, 1765118760, 2118142512, 2353491680, 2647678140, 3530237520, 4236285024, 5295356280, 7060475040, 10590712560, 21181425120]

約数ペア:

[(1, 21181425120), (2, 10590712560), (3, 7060475040), (4, 5295356280), (5, 4236285024), (6, 3530237520), (8, 2647678140), (9, 2353491680), (10, 2118142512), (12, 1765118760), (15, 1412095008), (16, 1323839070), (18, 1176745840), (20, 1059071256), (24, 882559380), (30, 706047504), (32, 661919535), (36, 588372920), (40, 529535628), (45, 470698336), (48, 441279690), (60, 353023752), (72, 294186460), (80, 264767814), (90, 235349168), (96, 220639845), (113, 187446240), (120, 176511876), (144, 147093230), (160, 132383907), (180, 117674584), (226, 93723120), (240, 88255938), (288, 73546615), (339, 62482080), (360, 58837292), (452, 46861560), (480, 44127969), (565, 37489248), (678, 31241040), (720, 29418646), (904, 23430780), (1017, 20827360), (1130, 18744624), (1356, 15620520), (1440, 14709323), (1695, 12496416), (1808, 11715390), (2034, 10413680), (2260, 9372312), (2712, 7810260), (3390, 6248208), (3616, 5857695), (4068, 5206840), (4520, 4686156), (5085, 4165472), (5424, 3905130), (6780, 3124104), (8136, 2603420), (9040, 2343078), (10170, 2082736), (10848, 1952565), (13560, 1562052), (16272, 1301710), (18080, 1171539), (20340, 1041368), (27120, 781026), (32544, 650855), (40680, 520684), (54240, 390513), (81360, 260342), (130171, 162720)]