67445280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{6691}}^1$

素因数の和:6719

約数の個数: 144

約数和(自身を含む): 263075904

約数和(自身を除く): 195630624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 6691, 10080, 13382, 20073, 26764, 33455, 40146, 46837, 53528, 60219, 66910, 80292, 93674, 100365, 107056, 120438, 133820, 140511, 160584, 187348, 200730, 214112, 234185, 240876, 267640, 281022, 301095, 321168, 374696, 401460, 421533, 468370, 481752, 535280, 562044, 602190, 642336, 702555, 749392, 802920, 843066, 936740, 963504, 1070560, 1124088, 1204380, 1405110, 1498784, 1605840, 1686132, 1873480, 1927008, 2107665, 2248176, 2408760, 2810220, 3211680, 3372264, 3746960, 4215330, 4496352, 4817520, 5620440, 6744528, 7493920, 8430660, 9635040, 11240880, 13489056, 16861320, 22481760, 33722640, 67445280]

約数ペア:

[(1, 67445280), (2, 33722640), (3, 22481760), (4, 16861320), (5, 13489056), (6, 11240880), (7, 9635040), (8, 8430660), (9, 7493920), (10, 6744528), (12, 5620440), (14, 4817520), (15, 4496352), (16, 4215330), (18, 3746960), (20, 3372264), (21, 3211680), (24, 2810220), (28, 2408760), (30, 2248176), (32, 2107665), (35, 1927008), (36, 1873480), (40, 1686132), (42, 1605840), (45, 1498784), (48, 1405110), (56, 1204380), (60, 1124088), (63, 1070560), (70, 963504), (72, 936740), (80, 843066), (84, 802920), (90, 749392), (96, 702555), (105, 642336), (112, 602190), (120, 562044), (126, 535280), (140, 481752), (144, 468370), (160, 421533), (168, 401460), (180, 374696), (210, 321168), (224, 301095), (240, 281022), (252, 267640), (280, 240876), (288, 234185), (315, 214112), (336, 200730), (360, 187348), (420, 160584), (480, 140511), (504, 133820), (560, 120438), (630, 107056), (672, 100365), (720, 93674), (840, 80292), (1008, 66910), (1120, 60219), (1260, 53528), (1440, 46837), (1680, 40146), (2016, 33455), (2520, 26764), (3360, 20073), (5040, 13382), (6691, 10080)]