671681360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{8629}}^1$

素因数の和:8788

約数の個数: 80

約数和(自身を含む): 1797801600

約数和(自身を除く): 1126120240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1946, 2224, 2780, 3892, 4865, 5560, 7784, 8629, 9730, 11120, 15568, 17258, 19460, 34516, 38920, 43145, 60403, 69032, 77840, 86290, 120806, 138064, 172580, 241612, 302015, 345160, 483224, 604030, 690320, 966448, 1199431, 1208060, 2398862, 2416120, 4797724, 4832240, 5997155, 8396017, 9595448, 11994310, 16792034, 19190896, 23988620, 33584068, 41980085, 47977240, 67168136, 83960170, 95954480, 134336272, 167920340, 335840680, 671681360]

約数ペア:

[(1, 671681360), (2, 335840680), (4, 167920340), (5, 134336272), (7, 95954480), (8, 83960170), (10, 67168136), (14, 47977240), (16, 41980085), (20, 33584068), (28, 23988620), (35, 19190896), (40, 16792034), (56, 11994310), (70, 9595448), (80, 8396017), (112, 5997155), (139, 4832240), (140, 4797724), (278, 2416120), (280, 2398862), (556, 1208060), (560, 1199431), (695, 966448), (973, 690320), (1112, 604030), (1390, 483224), (1946, 345160), (2224, 302015), (2780, 241612), (3892, 172580), (4865, 138064), (5560, 120806), (7784, 86290), (8629, 77840), (9730, 69032), (11120, 60403), (15568, 43145), (17258, 38920), (19460, 34516)]