1620994560

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{211067}}^1$

素因数の和:211093

約数の個数: 80

約数和(自身を含む): 5182141536

約数和(自身を除く): 3561146976

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, 512, 640, 768, 960, 1280, 1536, 1920, 2560, 3840, 7680, 211067, 422134, 633201, 844268, 1055335, 1266402, 1688536, 2110670, 2532804, 3166005, 3377072, 4221340, 5065608, 6332010, 6754144, 8442680, 10131216, 12664020, 13508288, 16885360, 20262432, 25328040, 27016576, 33770720, 40524864, 50656080, 54033152, 67541440, 81049728, 101312160, 108066304, 135082880, 162099456, 202624320, 270165760, 324198912, 405248640, 540331520, 810497280, 1620994560]

約数ペア:

[(1, 1620994560), (2, 810497280), (3, 540331520), (4, 405248640), (5, 324198912), (6, 270165760), (8, 202624320), (10, 162099456), (12, 135082880), (15, 108066304), (16, 101312160), (20, 81049728), (24, 67541440), (30, 54033152), (32, 50656080), (40, 40524864), (48, 33770720), (60, 27016576), (64, 25328040), (80, 20262432), (96, 16885360), (120, 13508288), (128, 12664020), (160, 10131216), (192, 8442680), (240, 6754144), (256, 6332010), (320, 5065608), (384, 4221340), (480, 3377072), (512, 3166005), (640, 2532804), (768, 2110670), (960, 1688536), (1280, 1266402), (1536, 1055335), (1920, 844268), (2560, 633201), (3840, 422134), (7680, 211067)]