1660480000

素因数分解:

$2^9\times 5^4\times {\mathrm{5189}}^1$

素因数の和:5227

約数の個数: 100

約数和(自身を含む): 4146617970

約数和(自身を除く): 2486137970

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 512, 625, 640, 800, 1000, 1250, 1280, 1600, 2000, 2500, 2560, 3200, 4000, 5000, 5189, 6400, 8000, 10000, 10378, 12800, 16000, 20000, 20756, 25945, 32000, 40000, 41512, 51890, 64000, 80000, 83024, 103780, 129725, 160000, 166048, 207560, 259450, 320000, 332096, 415120, 518900, 648625, 664192, 830240, 1037800, 1297250, 1328384, 1660480, 2075600, 2594500, 2656768, 3243125, 3320960, 4151200, 5189000, 6486250, 6641920, 8302400, 10378000, 12972500, 13283840, 16604800, 20756000, 25945000, 33209600, 41512000, 51890000, 66419200, 83024000, 103780000, 166048000, 207560000, 332096000, 415120000, 830240000, 1660480000]

約数ペア:

[(1, 1660480000), (2, 830240000), (4, 415120000), (5, 332096000), (8, 207560000), (10, 166048000), (16, 103780000), (20, 83024000), (25, 66419200), (32, 51890000), (40, 41512000), (50, 33209600), (64, 25945000), (80, 20756000), (100, 16604800), (125, 13283840), (128, 12972500), (160, 10378000), (200, 8302400), (250, 6641920), (256, 6486250), (320, 5189000), (400, 4151200), (500, 3320960), (512, 3243125), (625, 2656768), (640, 2594500), (800, 2075600), (1000, 1660480), (1250, 1328384), (1280, 1297250), (1600, 1037800), (2000, 830240), (2500, 664192), (2560, 648625), (3200, 518900), (4000, 415120), (5000, 332096), (5189, 320000), (6400, 259450), (8000, 207560), (10000, 166048), (10378, 160000), (12800, 129725), (16000, 103780), (20000, 83024), (20756, 80000), (25945, 64000), (32000, 51890), (40000, 41512)]