768978840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{915451}}^1$

素因数の和:915472

約数の個数: 64

約数和(自身を含む): 2636501760

約数和(自身を除く): 1867522920

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, 915451, 1830902, 2746353, 3661804, 4577255, 5492706, 6408157, 7323608, 9154510, 10985412, 12816314, 13731765, 18309020, 19224471, 21970824, 25632628, 27463530, 32040785, 36618040, 38448942, 51265256, 54927060, 64081570, 76897884, 96122355, 109854120, 128163140, 153795768, 192244710, 256326280, 384489420, 768978840]

約数ペア:

[(1, 768978840), (2, 384489420), (3, 256326280), (4, 192244710), (5, 153795768), (6, 128163140), (7, 109854120), (8, 96122355), (10, 76897884), (12, 64081570), (14, 54927060), (15, 51265256), (20, 38448942), (21, 36618040), (24, 32040785), (28, 27463530), (30, 25632628), (35, 21970824), (40, 19224471), (42, 18309020), (56, 13731765), (60, 12816314), (70, 10985412), (84, 9154510), (105, 7323608), (120, 6408157), (140, 5492706), (168, 4577255), (210, 3661804), (280, 2746353), (420, 1830902), (840, 915451)]