2686040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 7076160

約数和(自身を除く): 4390120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 181, 212, 265, 280, 362, 371, 424, 530, 724, 742, 905, 1060, 1267, 1448, 1484, 1810, 1855, 2120, 2534, 2968, 3620, 3710, 5068, 6335, 7240, 7420, 9593, 10136, 12670, 14840, 19186, 25340, 38372, 47965, 50680, 67151, 76744, 95930, 134302, 191860, 268604, 335755, 383720, 537208, 671510, 1343020, 2686040]

約数ペア:

[(1, 2686040), (2, 1343020), (4, 671510), (5, 537208), (7, 383720), (8, 335755), (10, 268604), (14, 191860), (20, 134302), (28, 95930), (35, 76744), (40, 67151), (53, 50680), (56, 47965), (70, 38372), (106, 25340), (140, 19186), (181, 14840), (212, 12670), (265, 10136), (280, 9593), (362, 7420), (371, 7240), (424, 6335), (530, 5068), (724, 3710), (742, 3620), (905, 2968), (1060, 2534), (1267, 2120), (1448, 1855), (1484, 1810)]