51362820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4019}}^1$

素因数の和:4105

約数の個数: 72

約数和(自身を含む): 158034240

約数和(自身を除く): 106671420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4019, 4260, 6390, 8038, 12057, 12780, 16076, 20095, 24114, 36171, 40190, 48228, 60285, 72342, 80380, 120570, 144684, 180855, 241140, 285349, 361710, 570698, 723420, 856047, 1141396, 1426745, 1712094, 2568141, 2853490, 3424188, 4280235, 5136282, 5706980, 8560470, 10272564, 12840705, 17120940, 25681410, 51362820]

約数ペア:

[(1, 51362820), (2, 25681410), (3, 17120940), (4, 12840705), (5, 10272564), (6, 8560470), (9, 5706980), (10, 5136282), (12, 4280235), (15, 3424188), (18, 2853490), (20, 2568141), (30, 1712094), (36, 1426745), (45, 1141396), (60, 856047), (71, 723420), (90, 570698), (142, 361710), (180, 285349), (213, 241140), (284, 180855), (355, 144684), (426, 120570), (639, 80380), (710, 72342), (852, 60285), (1065, 48228), (1278, 40190), (1420, 36171), (2130, 24114), (2556, 20095), (3195, 16076), (4019, 12780), (4260, 12057), (6390, 8038)]