161647920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{10691}}^1$

素因数の和:10720

約数の個数: 160

約数和(自身を含む): 636387840

約数和(自身を除く): 474739920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 10691, 15120, 21382, 32073, 42764, 53455, 64146, 74837, 85528, 96219, 106910, 128292, 149674, 160365, 171056, 192438, 213820, 224511, 256584, 288657, 299348, 320730, 374185, 384876, 427640, 449022, 481095, 513168, 577314, 598696, 641460, 673533, 748370, 769752, 855280, 898044, 962190, 1122555, 1154628, 1197392, 1282920, 1347066, 1443285, 1496740, 1539504, 1796088, 1924380, 2020599, 2245110, 2309256, 2565840, 2694132, 2886570, 2993480, 3367665, 3592176, 3848760, 4041198, 4490220, 4618512, 5388264, 5773140, 5986960, 6735330, 7697520, 8082396, 8980440, 10102995, 10776528, 11546280, 13470660, 16164792, 17960880, 20205990, 23092560, 26941320, 32329584, 40411980, 53882640, 80823960, 161647920]

約数ペア:

[(1, 161647920), (2, 80823960), (3, 53882640), (4, 40411980), (5, 32329584), (6, 26941320), (7, 23092560), (8, 20205990), (9, 17960880), (10, 16164792), (12, 13470660), (14, 11546280), (15, 10776528), (16, 10102995), (18, 8980440), (20, 8082396), (21, 7697520), (24, 6735330), (27, 5986960), (28, 5773140), (30, 5388264), (35, 4618512), (36, 4490220), (40, 4041198), (42, 3848760), (45, 3592176), (48, 3367665), (54, 2993480), (56, 2886570), (60, 2694132), (63, 2565840), (70, 2309256), (72, 2245110), (80, 2020599), (84, 1924380), (90, 1796088), (105, 1539504), (108, 1496740), (112, 1443285), (120, 1347066), (126, 1282920), (135, 1197392), (140, 1154628), (144, 1122555), (168, 962190), (180, 898044), (189, 855280), (210, 769752), (216, 748370), (240, 673533), (252, 641460), (270, 598696), (280, 577314), (315, 513168), (336, 481095), (360, 449022), (378, 427640), (420, 384876), (432, 374185), (504, 320730), (540, 299348), (560, 288657), (630, 256584), (720, 224511), (756, 213820), (840, 192438), (945, 171056), (1008, 160365), (1080, 149674), (1260, 128292), (1512, 106910), (1680, 96219), (1890, 85528), (2160, 74837), (2520, 64146), (3024, 53455), (3780, 42764), (5040, 32073), (7560, 21382), (10691, 15120)]