68255980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{337}}^1$

素因数の和:419

約数の個数: 96

約数和(自身を含む): 166944960

約数和(自身を除く): 98688980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 41, 52, 65, 76, 82, 95, 130, 164, 190, 205, 247, 260, 337, 380, 410, 494, 533, 674, 779, 820, 988, 1066, 1235, 1348, 1558, 1685, 2132, 2470, 2665, 3116, 3370, 3895, 4381, 4940, 5330, 6403, 6740, 7790, 8762, 10127, 10660, 12806, 13817, 15580, 17524, 20254, 21905, 25612, 27634, 32015, 40508, 43810, 50635, 55268, 64030, 69085, 83239, 87620, 101270, 128060, 138170, 166478, 179621, 202540, 262523, 276340, 332956, 359242, 416195, 525046, 718484, 832390, 898105, 1050092, 1312615, 1664780, 1796210, 2625230, 3412799, 3592420, 5250460, 6825598, 13651196, 17063995, 34127990, 68255980]

約数ペア:

[(1, 68255980), (2, 34127990), (4, 17063995), (5, 13651196), (10, 6825598), (13, 5250460), (19, 3592420), (20, 3412799), (26, 2625230), (38, 1796210), (41, 1664780), (52, 1312615), (65, 1050092), (76, 898105), (82, 832390), (95, 718484), (130, 525046), (164, 416195), (190, 359242), (205, 332956), (247, 276340), (260, 262523), (337, 202540), (380, 179621), (410, 166478), (494, 138170), (533, 128060), (674, 101270), (779, 87620), (820, 83239), (988, 69085), (1066, 64030), (1235, 55268), (1348, 50635), (1558, 43810), (1685, 40508), (2132, 32015), (2470, 27634), (2665, 25612), (3116, 21905), (3370, 20254), (3895, 17524), (4381, 15580), (4940, 13817), (5330, 12806), (6403, 10660), (6740, 10127), (7790, 8762)]