81754740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6779}}^1$

素因数の和:6861

約数の個数: 72

約数和(自身を含む): 251727840

約数和(自身を除く): 169973100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 180, 201, 268, 335, 402, 603, 670, 804, 1005, 1206, 1340, 2010, 2412, 3015, 4020, 6030, 6779, 12060, 13558, 20337, 27116, 33895, 40674, 61011, 67790, 81348, 101685, 122022, 135580, 203370, 244044, 305055, 406740, 454193, 610110, 908386, 1220220, 1362579, 1816772, 2270965, 2725158, 4087737, 4541930, 5450316, 6812895, 8175474, 9083860, 13625790, 16350948, 20438685, 27251580, 40877370, 81754740]

約数ペア:

[(1, 81754740), (2, 40877370), (3, 27251580), (4, 20438685), (5, 16350948), (6, 13625790), (9, 9083860), (10, 8175474), (12, 6812895), (15, 5450316), (18, 4541930), (20, 4087737), (30, 2725158), (36, 2270965), (45, 1816772), (60, 1362579), (67, 1220220), (90, 908386), (134, 610110), (180, 454193), (201, 406740), (268, 305055), (335, 244044), (402, 203370), (603, 135580), (670, 122022), (804, 101685), (1005, 81348), (1206, 67790), (1340, 61011), (2010, 40674), (2412, 33895), (3015, 27116), (4020, 20337), (6030, 13558), (6779, 12060)]