63906640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{821}}^1$

素因数の和:980

約数の個数: 80

約数和(自身を含む): 171239040

約数和(自身を除く): 107332400

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, 821, 973, 1112, 1390, 1642, 1946, 2224, 2780, 3284, 3892, 4105, 4865, 5560, 5747, 6568, 7784, 8210, 9730, 11120, 11494, 13136, 15568, 16420, 19460, 22988, 28735, 32840, 38920, 45976, 57470, 65680, 77840, 91952, 114119, 114940, 228238, 229880, 456476, 459760, 570595, 798833, 912952, 1141190, 1597666, 1825904, 2282380, 3195332, 3994165, 4564760, 6390664, 7988330, 9129520, 12781328, 15976660, 31953320, 63906640]

約数ペア:

[(1, 63906640), (2, 31953320), (4, 15976660), (5, 12781328), (7, 9129520), (8, 7988330), (10, 6390664), (14, 4564760), (16, 3994165), (20, 3195332), (28, 2282380), (35, 1825904), (40, 1597666), (56, 1141190), (70, 912952), (80, 798833), (112, 570595), (139, 459760), (140, 456476), (278, 229880), (280, 228238), (556, 114940), (560, 114119), (695, 91952), (821, 77840), (973, 65680), (1112, 57470), (1390, 45976), (1642, 38920), (1946, 32840), (2224, 28735), (2780, 22988), (3284, 19460), (3892, 16420), (4105, 15568), (4865, 13136), (5560, 11494), (5747, 11120), (6568, 9730), (7784, 8210)]