21953280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{5717}}^1$

素因数の和:5741

約数の個数: 72

約数和(自身を含む): 70125552

約数和(自身を除く): 48172272

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, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 5717, 11434, 17151, 22868, 28585, 34302, 45736, 57170, 68604, 85755, 91472, 114340, 137208, 171510, 182944, 228680, 274416, 343020, 365888, 457360, 548832, 686040, 731776, 914720, 1097664, 1372080, 1463552, 1829440, 2195328, 2744160, 3658880, 4390656, 5488320, 7317760, 10976640, 21953280]

約数ペア:

[(1, 21953280), (2, 10976640), (3, 7317760), (4, 5488320), (5, 4390656), (6, 3658880), (8, 2744160), (10, 2195328), (12, 1829440), (15, 1463552), (16, 1372080), (20, 1097664), (24, 914720), (30, 731776), (32, 686040), (40, 548832), (48, 457360), (60, 365888), (64, 343020), (80, 274416), (96, 228680), (120, 182944), (128, 171510), (160, 137208), (192, 114340), (240, 91472), (256, 85755), (320, 68604), (384, 57170), (480, 45736), (640, 34302), (768, 28585), (960, 22868), (1280, 17151), (1920, 11434), (3840, 5717)]