820163820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{907}}^1\times {\mathrm{2153}}^1$

素因数の和:3079

約数の個数: 96

約数和(自身を含む): 2628638208

約数和(自身を除く): 1808474388

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, 907, 1814, 2153, 2721, 3628, 4306, 4535, 5442, 6349, 6459, 8612, 9070, 10765, 10884, 12698, 12918, 13605, 15071, 18140, 19047, 21530, 25396, 25836, 27210, 30142, 31745, 32295, 38094, 43060, 45213, 54420, 60284, 63490, 64590, 75355, 76188, 90426, 95235, 126980, 129180, 150710, 180852, 190470, 226065, 301420, 380940, 452130, 904260, 1952771, 3905542, 5858313, 7811084, 9763855, 11716626, 13669397, 19527710, 23433252, 27338794, 29291565, 39055420, 41008191, 54677588, 58583130, 68346985, 82016382, 117166260, 136693970, 164032764, 205040955, 273387940, 410081910, 820163820]

約数ペア:

[(1, 820163820), (2, 410081910), (3, 273387940), (4, 205040955), (5, 164032764), (6, 136693970), (7, 117166260), (10, 82016382), (12, 68346985), (14, 58583130), (15, 54677588), (20, 41008191), (21, 39055420), (28, 29291565), (30, 27338794), (35, 23433252), (42, 19527710), (60, 13669397), (70, 11716626), (84, 9763855), (105, 7811084), (140, 5858313), (210, 3905542), (420, 1952771), (907, 904260), (1814, 452130), (2153, 380940), (2721, 301420), (3628, 226065), (4306, 190470), (4535, 180852), (5442, 150710), (6349, 129180), (6459, 126980), (8612, 95235), (9070, 90426), (10765, 76188), (10884, 75355), (12698, 64590), (12918, 63490), (13605, 60284), (15071, 54420), (18140, 45213), (19047, 43060), (21530, 38094), (25396, 32295), (25836, 31745), (27210, 30142)]