538257780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{719}}^1\times {\mathrm{4159}}^1$

素因数の和:4893

約数の個数: 72

約数和(自身を含む): 1635379200

約数和(自身を除く): 1097121420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 719, 1438, 2157, 2876, 3595, 4159, 4314, 6471, 7190, 8318, 8628, 10785, 12477, 12942, 14380, 16636, 20795, 21570, 24954, 25884, 32355, 37431, 41590, 43140, 49908, 62385, 64710, 74862, 83180, 124770, 129420, 149724, 187155, 249540, 374310, 748620, 2990321, 5980642, 8970963, 11961284, 14951605, 17941926, 26912889, 29903210, 35883852, 44854815, 53825778, 59806420, 89709630, 107651556, 134564445, 179419260, 269128890, 538257780]

約数ペア:

[(1, 538257780), (2, 269128890), (3, 179419260), (4, 134564445), (5, 107651556), (6, 89709630), (9, 59806420), (10, 53825778), (12, 44854815), (15, 35883852), (18, 29903210), (20, 26912889), (30, 17941926), (36, 14951605), (45, 11961284), (60, 8970963), (90, 5980642), (180, 2990321), (719, 748620), (1438, 374310), (2157, 249540), (2876, 187155), (3595, 149724), (4159, 129420), (4314, 124770), (6471, 83180), (7190, 74862), (8318, 64710), (8628, 62385), (10785, 49908), (12477, 43140), (12942, 41590), (14380, 37431), (16636, 32355), (20795, 25884), (21570, 24954)]