61340360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1950

約数の個数: 64

約数和(自身を含む): 148737600

約数和(自身を除く): 87397240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 760, 817, 860, 1634, 1720, 1877, 3268, 3754, 4085, 6536, 7508, 8170, 9385, 15016, 16340, 18770, 32680, 35663, 37540, 71326, 75080, 80711, 142652, 161422, 178315, 285304, 322844, 356630, 403555, 645688, 713260, 807110, 1426520, 1533509, 1614220, 3067018, 3228440, 6134036, 7667545, 12268072, 15335090, 30670180, 61340360]

約数ペア:

[(1, 61340360), (2, 30670180), (4, 15335090), (5, 12268072), (8, 7667545), (10, 6134036), (19, 3228440), (20, 3067018), (38, 1614220), (40, 1533509), (43, 1426520), (76, 807110), (86, 713260), (95, 645688), (152, 403555), (172, 356630), (190, 322844), (215, 285304), (344, 178315), (380, 161422), (430, 142652), (760, 80711), (817, 75080), (860, 71326), (1634, 37540), (1720, 35663), (1877, 32680), (3268, 18770), (3754, 16340), (4085, 15016), (6536, 9385), (7508, 8170)]