131431140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{243391}}^1$

素因数の和:243409

約数の個数: 48

約数和(自身を含む): 408898560

約数和(自身を除く): 277467420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 243391, 486782, 730173, 973564, 1216955, 1460346, 2190519, 2433910, 2920692, 3650865, 4381038, 4867820, 6571557, 7301730, 8762076, 10952595, 13143114, 14603460, 21905190, 26286228, 32857785, 43810380, 65715570, 131431140]

約数ペア:

[(1, 131431140), (2, 65715570), (3, 43810380), (4, 32857785), (5, 26286228), (6, 21905190), (9, 14603460), (10, 13143114), (12, 10952595), (15, 8762076), (18, 7301730), (20, 6571557), (27, 4867820), (30, 4381038), (36, 3650865), (45, 2920692), (54, 2433910), (60, 2190519), (90, 1460346), (108, 1216955), (135, 973564), (180, 730173), (270, 486782), (540, 243391)]