205144920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{189949}}^1$

素因数の和:189969

約数の個数: 64

約数和(自身を含む): 683820000

約数和(自身を除く): 478675080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 189949, 379898, 569847, 759796, 949745, 1139694, 1519592, 1709541, 1899490, 2279388, 2849235, 3419082, 3798980, 4558776, 5128623, 5698470, 6838164, 7597960, 8547705, 10257246, 11396940, 13676328, 17095410, 20514492, 22793880, 25643115, 34190820, 41028984, 51286230, 68381640, 102572460, 205144920]

約数ペア:

[(1, 205144920), (2, 102572460), (3, 68381640), (4, 51286230), (5, 41028984), (6, 34190820), (8, 25643115), (9, 22793880), (10, 20514492), (12, 17095410), (15, 13676328), (18, 11396940), (20, 10257246), (24, 8547705), (27, 7597960), (30, 6838164), (36, 5698470), (40, 5128623), (45, 4558776), (54, 3798980), (60, 3419082), (72, 2849235), (90, 2279388), (108, 1899490), (120, 1709541), (135, 1519592), (180, 1139694), (216, 949745), (270, 759796), (360, 569847), (540, 379898), (1080, 189949)]