1798380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 72

約数和(自身を含む): 5564832

約数和(自身を除く): 3766452

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 97, 103, 180, 194, 206, 291, 309, 388, 412, 485, 515, 582, 618, 873, 927, 970, 1030, 1164, 1236, 1455, 1545, 1746, 1854, 1940, 2060, 2910, 3090, 3492, 3708, 4365, 4635, 5820, 6180, 8730, 9270, 9991, 17460, 18540, 19982, 29973, 39964, 49955, 59946, 89919, 99910, 119892, 149865, 179838, 199820, 299730, 359676, 449595, 599460, 899190, 1798380]

約数ペア:

[(1, 1798380), (2, 899190), (3, 599460), (4, 449595), (5, 359676), (6, 299730), (9, 199820), (10, 179838), (12, 149865), (15, 119892), (18, 99910), (20, 89919), (30, 59946), (36, 49955), (45, 39964), (60, 29973), (90, 19982), (97, 18540), (103, 17460), (180, 9991), (194, 9270), (206, 8730), (291, 6180), (309, 5820), (388, 4635), (412, 4365), (485, 3708), (515, 3492), (582, 3090), (618, 2910), (873, 2060), (927, 1940), (970, 1854), (1030, 1746), (1164, 1545), (1236, 1455)]