205520280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{244667}}^1$

素因数の和:244688

約数の個数: 64

約数和(自身を含む): 704643840

約数和(自身を除く): 499123560

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, 244667, 489334, 734001, 978668, 1223335, 1468002, 1712669, 1957336, 2446670, 2936004, 3425338, 3670005, 4893340, 5138007, 5872008, 6850676, 7340010, 8563345, 9786680, 10276014, 13701352, 14680020, 17126690, 20552028, 25690035, 29360040, 34253380, 41104056, 51380070, 68506760, 102760140, 205520280]

約数ペア:

[(1, 205520280), (2, 102760140), (3, 68506760), (4, 51380070), (5, 41104056), (6, 34253380), (7, 29360040), (8, 25690035), (10, 20552028), (12, 17126690), (14, 14680020), (15, 13701352), (20, 10276014), (21, 9786680), (24, 8563345), (28, 7340010), (30, 6850676), (35, 5872008), (40, 5138007), (42, 4893340), (56, 3670005), (60, 3425338), (70, 2936004), (84, 2446670), (105, 1957336), (120, 1712669), (140, 1468002), (168, 1223335), (210, 978668), (280, 734001), (420, 489334), (840, 244667)]