165249420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{393451}}^1$

素因数の和:393470

約数の個数: 48

約数和(自身を含む): 528799488

約数和(自身を除く): 363550068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 393451, 786902, 1180353, 1573804, 1967255, 2360706, 2754157, 3934510, 4721412, 5508314, 5901765, 7869020, 8262471, 11016628, 11803530, 13770785, 16524942, 23607060, 27541570, 33049884, 41312355, 55083140, 82624710, 165249420]

約数ペア:

[(1, 165249420), (2, 82624710), (3, 55083140), (4, 41312355), (5, 33049884), (6, 27541570), (7, 23607060), (10, 16524942), (12, 13770785), (14, 11803530), (15, 11016628), (20, 8262471), (21, 7869020), (28, 5901765), (30, 5508314), (35, 4721412), (42, 3934510), (60, 2754157), (70, 2360706), (84, 1967255), (105, 1573804), (140, 1180353), (210, 786902), (420, 393451)]