15720156

素因数分解:

$2^2\times 3^8\times {\mathrm{599}}^1$

素因数の和:627

約数の個数: 54

約数和(自身を含む): 41332200

約数和(自身を除く): 25612044

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 599, 729, 972, 1198, 1458, 1797, 2187, 2396, 2916, 3594, 4374, 5391, 6561, 7188, 8748, 10782, 13122, 16173, 21564, 26244, 32346, 48519, 64692, 97038, 145557, 194076, 291114, 436671, 582228, 873342, 1310013, 1746684, 2620026, 3930039, 5240052, 7860078, 15720156]

約数ペア:

[(1, 15720156), (2, 7860078), (3, 5240052), (4, 3930039), (6, 2620026), (9, 1746684), (12, 1310013), (18, 873342), (27, 582228), (36, 436671), (54, 291114), (81, 194076), (108, 145557), (162, 97038), (243, 64692), (324, 48519), (486, 32346), (599, 26244), (729, 21564), (972, 16173), (1198, 13122), (1458, 10782), (1797, 8748), (2187, 7188), (2396, 6561), (2916, 5391), (3594, 4374)]