18071189840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{941}}^1$

素因数の和:1261

約数の個数: 160

約数和(自身を含む): 46508273280

約数和(自身を除く): 28437083440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 139, 157, 176, 220, 278, 314, 440, 556, 628, 695, 785, 880, 941, 1112, 1256, 1390, 1529, 1570, 1727, 1882, 2224, 2512, 2780, 3058, 3140, 3454, 3764, 4705, 5560, 6116, 6280, 6908, 7528, 7645, 8635, 9410, 10351, 11120, 12232, 12560, 13816, 15056, 15290, 17270, 18820, 20702, 21823, 24464, 27632, 30580, 34540, 37640, 41404, 43646, 51755, 61160, 69080, 75280, 82808, 87292, 103510, 109115, 122320, 130799, 138160, 147737, 165616, 174584, 207020, 218230, 240053, 261598, 295474, 349168, 414040, 436460, 480106, 523196, 590948, 653995, 738685, 828080, 872920, 960212, 1046392, 1181896, 1200265, 1307990, 1438789, 1477370, 1625107, 1745840, 1920424, 2092784, 2363792, 2400530, 2615980, 2877578, 2954740, 3250214, 3840848, 4801060, 5231960, 5755156, 5909480, 6500428, 7193945, 8125535, 9602120, 10463920, 11510312, 11818960, 13000856, 14387890, 16251070, 19204240, 20535443, 23020624, 26001712, 28775780, 32502140, 41070886, 57551560, 65004280, 82141772, 102677215, 115103120, 130008560, 164283544, 205354430, 225889873, 328567088, 410708860, 451779746, 821417720, 903559492, 1129449365, 1642835440, 1807118984, 2258898730, 3614237968, 4517797460, 9035594920, 18071189840]

約数ペア:

[(1, 18071189840), (2, 9035594920), (4, 4517797460), (5, 3614237968), (8, 2258898730), (10, 1807118984), (11, 1642835440), (16, 1129449365), (20, 903559492), (22, 821417720), (40, 451779746), (44, 410708860), (55, 328567088), (80, 225889873), (88, 205354430), (110, 164283544), (139, 130008560), (157, 115103120), (176, 102677215), (220, 82141772), (278, 65004280), (314, 57551560), (440, 41070886), (556, 32502140), (628, 28775780), (695, 26001712), (785, 23020624), (880, 20535443), (941, 19204240), (1112, 16251070), (1256, 14387890), (1390, 13000856), (1529, 11818960), (1570, 11510312), (1727, 10463920), (1882, 9602120), (2224, 8125535), (2512, 7193945), (2780, 6500428), (3058, 5909480), (3140, 5755156), (3454, 5231960), (3764, 4801060), (4705, 3840848), (5560, 3250214), (6116, 2954740), (6280, 2877578), (6908, 2615980), (7528, 2400530), (7645, 2363792), (8635, 2092784), (9410, 1920424), (10351, 1745840), (11120, 1625107), (12232, 1477370), (12560, 1438789), (13816, 1307990), (15056, 1200265), (15290, 1181896), (17270, 1046392), (18820, 960212), (20702, 872920), (21823, 828080), (24464, 738685), (27632, 653995), (30580, 590948), (34540, 523196), (37640, 480106), (41404, 436460), (43646, 414040), (51755, 349168), (61160, 295474), (69080, 261598), (75280, 240053), (82808, 218230), (87292, 207020), (103510, 174584), (109115, 165616), (122320, 147737), (130799, 138160)]