239778840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{285451}}^1$

素因数の和:285472

約数の個数: 64

約数和(自身を含む): 822101760

約数和(自身を除く): 582322920

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, 285451, 570902, 856353, 1141804, 1427255, 1712706, 1998157, 2283608, 2854510, 3425412, 3996314, 4281765, 5709020, 5994471, 6850824, 7992628, 8563530, 9990785, 11418040, 11988942, 15985256, 17127060, 19981570, 23977884, 29972355, 34254120, 39963140, 47955768, 59944710, 79926280, 119889420, 239778840]

約数ペア:

[(1, 239778840), (2, 119889420), (3, 79926280), (4, 59944710), (5, 47955768), (6, 39963140), (7, 34254120), (8, 29972355), (10, 23977884), (12, 19981570), (14, 17127060), (15, 15985256), (20, 11988942), (21, 11418040), (24, 9990785), (28, 8563530), (30, 7992628), (35, 6850824), (40, 5994471), (42, 5709020), (56, 4281765), (60, 3996314), (70, 3425412), (84, 2854510), (105, 2283608), (120, 1998157), (140, 1712706), (168, 1427255), (210, 1141804), (280, 856353), (420, 570902), (840, 285451)]