15605980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{311}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 35590464

約数和(自身を除く): 19984484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 193, 260, 311, 386, 622, 772, 965, 1244, 1555, 1930, 2509, 3110, 3860, 4043, 5018, 6220, 8086, 10036, 12545, 16172, 20215, 25090, 40430, 50180, 60023, 80860, 120046, 240092, 300115, 600230, 780299, 1200460, 1560598, 3121196, 3901495, 7802990, 15605980]

約数ペア:

[(1, 15605980), (2, 7802990), (4, 3901495), (5, 3121196), (10, 1560598), (13, 1200460), (20, 780299), (26, 600230), (52, 300115), (65, 240092), (130, 120046), (193, 80860), (260, 60023), (311, 50180), (386, 40430), (622, 25090), (772, 20215), (965, 16172), (1244, 12545), (1555, 10036), (1930, 8086), (2509, 6220), (3110, 5018), (3860, 4043)]