71778840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{85451}}^1$

素因数の和:85472

約数の個数: 64

約数和(自身を含む): 246101760

約数和(自身を除く): 174322920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 85451, 170902, 256353, 341804, 427255, 512706, 598157, 683608, 854510, 1025412, 1196314, 1281765, 1709020, 1794471, 2050824, 2392628, 2563530, 2990785, 3418040, 3588942, 4785256, 5127060, 5981570, 7177884, 8972355, 10254120, 11963140, 14355768, 17944710, 23926280, 35889420, 71778840]

約数ペア:

[(1, 71778840), (2, 35889420), (3, 23926280), (4, 17944710), (5, 14355768), (6, 11963140), (7, 10254120), (8, 8972355), (10, 7177884), (12, 5981570), (14, 5127060), (15, 4785256), (20, 3588942), (21, 3418040), (24, 2990785), (28, 2563530), (30, 2392628), (35, 2050824), (40, 1794471), (42, 1709020), (56, 1281765), (60, 1196314), (70, 1025412), (84, 854510), (105, 683608), (120, 598157), (140, 512706), (168, 427255), (210, 341804), (280, 256353), (420, 170902), (840, 85451)]