168242820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20173}}^1$

素因数の和:20324

約数の個数: 48

約数和(自身を含む): 474492480

約数和(自身を除く): 306249660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 8340, 20173, 40346, 60519, 80692, 100865, 121038, 201730, 242076, 302595, 403460, 605190, 1210380, 2804047, 5608094, 8412141, 11216188, 14020235, 16824282, 28040470, 33648564, 42060705, 56080940, 84121410, 168242820]

約数ペア:

[(1, 168242820), (2, 84121410), (3, 56080940), (4, 42060705), (5, 33648564), (6, 28040470), (10, 16824282), (12, 14020235), (15, 11216188), (20, 8412141), (30, 5608094), (60, 2804047), (139, 1210380), (278, 605190), (417, 403460), (556, 302595), (695, 242076), (834, 201730), (1390, 121038), (1668, 100865), (2085, 80692), (2780, 60519), (4170, 40346), (8340, 20173)]