718156740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1783}}^1$

素因数の和:1946

約数の個数: 144

約数和(自身を含む): 2357534592

約数和(自身を除く): 1639377852

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 137, 140, 147, 196, 210, 245, 274, 294, 411, 420, 490, 548, 588, 685, 735, 822, 959, 980, 1370, 1470, 1644, 1783, 1918, 2055, 2740, 2877, 2940, 3566, 3836, 4110, 4795, 5349, 5754, 6713, 7132, 8220, 8915, 9590, 10698, 11508, 12481, 13426, 14385, 17830, 19180, 20139, 21396, 24962, 26745, 26852, 28770, 33565, 35660, 37443, 40278, 49924, 53490, 57540, 62405, 67130, 74886, 80556, 87367, 100695, 106980, 124810, 134260, 149772, 174734, 187215, 201390, 244271, 249620, 262101, 349468, 374430, 402780, 436835, 488542, 524202, 732813, 748860, 873670, 977084, 1048404, 1221355, 1310505, 1465626, 1709897, 1747340, 2442710, 2621010, 2931252, 3419794, 3664065, 4885420, 5129691, 5242020, 6839588, 7328130, 8549485, 10259382, 11969279, 14656260, 17098970, 20518764, 23938558, 25648455, 34197940, 35907837, 47877116, 51296910, 59846395, 71815674, 102593820, 119692790, 143631348, 179539185, 239385580, 359078370, 718156740]

約数ペア:

[(1, 718156740), (2, 359078370), (3, 239385580), (4, 179539185), (5, 143631348), (6, 119692790), (7, 102593820), (10, 71815674), (12, 59846395), (14, 51296910), (15, 47877116), (20, 35907837), (21, 34197940), (28, 25648455), (30, 23938558), (35, 20518764), (42, 17098970), (49, 14656260), (60, 11969279), (70, 10259382), (84, 8549485), (98, 7328130), (105, 6839588), (137, 5242020), (140, 5129691), (147, 4885420), (196, 3664065), (210, 3419794), (245, 2931252), (274, 2621010), (294, 2442710), (411, 1747340), (420, 1709897), (490, 1465626), (548, 1310505), (588, 1221355), (685, 1048404), (735, 977084), (822, 873670), (959, 748860), (980, 732813), (1370, 524202), (1470, 488542), (1644, 436835), (1783, 402780), (1918, 374430), (2055, 349468), (2740, 262101), (2877, 249620), (2940, 244271), (3566, 201390), (3836, 187215), (4110, 174734), (4795, 149772), (5349, 134260), (5754, 124810), (6713, 106980), (7132, 100695), (8220, 87367), (8915, 80556), (9590, 74886), (10698, 67130), (11508, 62405), (12481, 57540), (13426, 53490), (14385, 49924), (17830, 40278), (19180, 37443), (20139, 35660), (21396, 33565), (24962, 28770), (26745, 26852)]