171542720

素因数分解:

$2^6\times 5^1\times {\mathrm{661}}^1\times {\mathrm{811}}^1$

素因数の和:1489

約数の個数: 56

約数和(自身を含む): 409608528

約数和(自身を除く): 238065808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 661, 811, 1322, 1622, 2644, 3244, 3305, 4055, 5288, 6488, 6610, 8110, 10576, 12976, 13220, 16220, 21152, 25952, 26440, 32440, 42304, 51904, 52880, 64880, 105760, 129760, 211520, 259520, 536071, 1072142, 2144284, 2680355, 4288568, 5360710, 8577136, 10721420, 17154272, 21442840, 34308544, 42885680, 85771360, 171542720]

約数ペア:

[(1, 171542720), (2, 85771360), (4, 42885680), (5, 34308544), (8, 21442840), (10, 17154272), (16, 10721420), (20, 8577136), (32, 5360710), (40, 4288568), (64, 2680355), (80, 2144284), (160, 1072142), (320, 536071), (661, 259520), (811, 211520), (1322, 129760), (1622, 105760), (2644, 64880), (3244, 52880), (3305, 51904), (4055, 42304), (5288, 32440), (6488, 26440), (6610, 25952), (8110, 21152), (10576, 16220), (12976, 13220)]