68642840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{3659}}^1$

素因数の和:3744

約数の個数: 64

約数和(自身を含む): 179193600

約数和(自身を除く): 110550760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1876, 2345, 2680, 3659, 3752, 4690, 7318, 9380, 14636, 18295, 18760, 25613, 29272, 36590, 51226, 73180, 102452, 128065, 146360, 204904, 245153, 256130, 490306, 512260, 980612, 1024520, 1225765, 1716071, 1961224, 2451530, 3432142, 4903060, 6864284, 8580355, 9806120, 13728568, 17160710, 34321420, 68642840]

約数ペア:

[(1, 68642840), (2, 34321420), (4, 17160710), (5, 13728568), (7, 9806120), (8, 8580355), (10, 6864284), (14, 4903060), (20, 3432142), (28, 2451530), (35, 1961224), (40, 1716071), (56, 1225765), (67, 1024520), (70, 980612), (134, 512260), (140, 490306), (268, 256130), (280, 245153), (335, 204904), (469, 146360), (536, 128065), (670, 102452), (938, 73180), (1340, 51226), (1876, 36590), (2345, 29272), (2680, 25613), (3659, 18760), (3752, 18295), (4690, 14636), (7318, 9380)]