81859260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2909}}^1$

素因数の和:2995

約数の個数: 96

約数和(自身を含む): 265950720

約数和(自身を除く): 184091460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 67, 70, 84, 105, 134, 140, 201, 210, 268, 335, 402, 420, 469, 670, 804, 938, 1005, 1340, 1407, 1876, 2010, 2345, 2814, 2909, 4020, 4690, 5628, 5818, 7035, 8727, 9380, 11636, 14070, 14545, 17454, 20363, 28140, 29090, 34908, 40726, 43635, 58180, 61089, 81452, 87270, 101815, 122178, 174540, 194903, 203630, 244356, 305445, 389806, 407260, 584709, 610890, 779612, 974515, 1169418, 1221780, 1364321, 1949030, 2338836, 2728642, 2923545, 3898060, 4092963, 5457284, 5847090, 6821605, 8185926, 11694180, 13643210, 16371852, 20464815, 27286420, 40929630, 81859260]

約数ペア:

[(1, 81859260), (2, 40929630), (3, 27286420), (4, 20464815), (5, 16371852), (6, 13643210), (7, 11694180), (10, 8185926), (12, 6821605), (14, 5847090), (15, 5457284), (20, 4092963), (21, 3898060), (28, 2923545), (30, 2728642), (35, 2338836), (42, 1949030), (60, 1364321), (67, 1221780), (70, 1169418), (84, 974515), (105, 779612), (134, 610890), (140, 584709), (201, 407260), (210, 389806), (268, 305445), (335, 244356), (402, 203630), (420, 194903), (469, 174540), (670, 122178), (804, 101815), (938, 87270), (1005, 81452), (1340, 61089), (1407, 58180), (1876, 43635), (2010, 40726), (2345, 34908), (2814, 29090), (2909, 28140), (4020, 20363), (4690, 17454), (5628, 14545), (5818, 14070), (7035, 11636), (8727, 9380)]