261316624640

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{151337}}^1$

素因数の和:151448

約数の個数: 144

約数和(自身を含む): 668163323520

約数和(自身を除く): 406846698880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 71, 76, 80, 95, 128, 142, 152, 160, 190, 256, 284, 304, 320, 355, 380, 568, 608, 640, 710, 760, 1136, 1216, 1280, 1349, 1420, 1520, 2272, 2432, 2698, 2840, 3040, 4544, 4864, 5396, 5680, 6080, 6745, 9088, 10792, 11360, 12160, 13490, 18176, 21584, 22720, 24320, 26980, 43168, 45440, 53960, 86336, 90880, 107920, 151337, 172672, 215840, 302674, 345344, 431680, 605348, 756685, 863360, 1210696, 1513370, 1726720, 2421392, 2875403, 3026740, 4842784, 5750806, 6053480, 9685568, 10744927, 11501612, 12106960, 14377015, 19371136, 21489854, 23003224, 24213920, 28754030, 38742272, 42979708, 46006448, 48427840, 53724635, 57508060, 85959416, 92012896, 96855680, 107449270, 115016120, 171918832, 184025792, 193711360, 204153613, 214898540, 230032240, 343837664, 368051584, 408307226, 429797080, 460064480, 687675328, 736103168, 816614452, 859594160, 920128960, 1020768065, 1375350656, 1633228904, 1719188320, 1840257920, 2041536130, 2750701312, 3266457808, 3438376640, 3680515840, 4083072260, 6532915616, 6876753280, 8166144520, 13065831232, 13753506560, 16332289040, 26131662464, 32664578080, 52263324928, 65329156160, 130658312320, 261316624640]

約数ペア:

[(1, 261316624640), (2, 130658312320), (4, 65329156160), (5, 52263324928), (8, 32664578080), (10, 26131662464), (16, 16332289040), (19, 13753506560), (20, 13065831232), (32, 8166144520), (38, 6876753280), (40, 6532915616), (64, 4083072260), (71, 3680515840), (76, 3438376640), (80, 3266457808), (95, 2750701312), (128, 2041536130), (142, 1840257920), (152, 1719188320), (160, 1633228904), (190, 1375350656), (256, 1020768065), (284, 920128960), (304, 859594160), (320, 816614452), (355, 736103168), (380, 687675328), (568, 460064480), (608, 429797080), (640, 408307226), (710, 368051584), (760, 343837664), (1136, 230032240), (1216, 214898540), (1280, 204153613), (1349, 193711360), (1420, 184025792), (1520, 171918832), (2272, 115016120), (2432, 107449270), (2698, 96855680), (2840, 92012896), (3040, 85959416), (4544, 57508060), (4864, 53724635), (5396, 48427840), (5680, 46006448), (6080, 42979708), (6745, 38742272), (9088, 28754030), (10792, 24213920), (11360, 23003224), (12160, 21489854), (13490, 19371136), (18176, 14377015), (21584, 12106960), (22720, 11501612), (24320, 10744927), (26980, 9685568), (43168, 6053480), (45440, 5750806), (53960, 4842784), (86336, 3026740), (90880, 2875403), (107920, 2421392), (151337, 1726720), (172672, 1513370), (215840, 1210696), (302674, 863360), (345344, 756685), (431680, 605348)]