19701720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54727}}^1$

素因数の和:54744

約数の個数: 48

約数和(自身を含む): 64031760

約数和(自身を除く): 44330040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54727, 109454, 164181, 218908, 273635, 328362, 437816, 492543, 547270, 656724, 820905, 985086, 1094540, 1313448, 1641810, 1970172, 2189080, 2462715, 3283620, 3940344, 4925430, 6567240, 9850860, 19701720]

約数ペア:

[(1, 19701720), (2, 9850860), (3, 6567240), (4, 4925430), (5, 3940344), (6, 3283620), (8, 2462715), (9, 2189080), (10, 1970172), (12, 1641810), (15, 1313448), (18, 1094540), (20, 985086), (24, 820905), (30, 656724), (36, 547270), (40, 492543), (45, 437816), (60, 328362), (72, 273635), (90, 218908), (120, 164181), (180, 109454), (360, 54727)]