209719680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{109229}}^1$

素因数の和:109251

約数の個数: 64

約数和(自身を含む): 668487600

約数和(自身を除く): 458767920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 109229, 218458, 327687, 436916, 546145, 655374, 873832, 1092290, 1310748, 1638435, 1747664, 2184580, 2621496, 3276870, 3495328, 4369160, 5242992, 6553740, 6990656, 8738320, 10485984, 13107480, 13981312, 17476640, 20971968, 26214960, 34953280, 41943936, 52429920, 69906560, 104859840, 209719680]

約数ペア:

[(1, 209719680), (2, 104859840), (3, 69906560), (4, 52429920), (5, 41943936), (6, 34953280), (8, 26214960), (10, 20971968), (12, 17476640), (15, 13981312), (16, 13107480), (20, 10485984), (24, 8738320), (30, 6990656), (32, 6553740), (40, 5242992), (48, 4369160), (60, 3495328), (64, 3276870), (80, 2621496), (96, 2184580), (120, 1747664), (128, 1638435), (160, 1310748), (192, 1092290), (240, 873832), (320, 655374), (384, 546145), (480, 436916), (640, 327687), (960, 218458), (1920, 109229)]