281494920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{335113}}^1$

素因数の和:335134

約数の個数: 64

約数和(自身を含む): 965128320

約数和(自身を除く): 683633400

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, 335113, 670226, 1005339, 1340452, 1675565, 2010678, 2345791, 2680904, 3351130, 4021356, 4691582, 5026695, 6702260, 7037373, 8042712, 9383164, 10053390, 11728955, 13404520, 14074746, 18766328, 20106780, 23457910, 28149492, 35186865, 40213560, 46915820, 56298984, 70373730, 93831640, 140747460, 281494920]

約数ペア:

[(1, 281494920), (2, 140747460), (3, 93831640), (4, 70373730), (5, 56298984), (6, 46915820), (7, 40213560), (8, 35186865), (10, 28149492), (12, 23457910), (14, 20106780), (15, 18766328), (20, 14074746), (21, 13404520), (24, 11728955), (28, 10053390), (30, 9383164), (35, 8042712), (40, 7037373), (42, 6702260), (56, 5026695), (60, 4691582), (70, 4021356), (84, 3351130), (105, 2680904), (120, 2345791), (140, 2010678), (168, 1675565), (210, 1340452), (280, 1005339), (420, 670226), (840, 335113)]