161634760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{4153}}^1$

素因数の和:4310

約数の個数: 64

約数和(自身を含む): 418723200

約数和(自身を除く): 257088440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2780, 3892, 4153, 4865, 5560, 7784, 8306, 9730, 16612, 19460, 20765, 29071, 33224, 38920, 41530, 58142, 83060, 116284, 145355, 166120, 232568, 290710, 577267, 581420, 1154534, 1162840, 2309068, 2886335, 4040869, 4618136, 5772670, 8081738, 11545340, 16163476, 20204345, 23090680, 32326952, 40408690, 80817380, 161634760]

約数ペア:

[(1, 161634760), (2, 80817380), (4, 40408690), (5, 32326952), (7, 23090680), (8, 20204345), (10, 16163476), (14, 11545340), (20, 8081738), (28, 5772670), (35, 4618136), (40, 4040869), (56, 2886335), (70, 2309068), (139, 1162840), (140, 1154534), (278, 581420), (280, 577267), (556, 290710), (695, 232568), (973, 166120), (1112, 145355), (1390, 116284), (1946, 83060), (2780, 58142), (3892, 41530), (4153, 38920), (4865, 33224), (5560, 29071), (7784, 20765), (8306, 19460), (9730, 16612)]