420458880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{218989}}^1$

素因数の和:219011

約数の個数: 64

約数和(自身を含む): 1340218800

約数和(自身を除く): 919759920

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, 218989, 437978, 656967, 875956, 1094945, 1313934, 1751912, 2189890, 2627868, 3284835, 3503824, 4379780, 5255736, 6569670, 7007648, 8759560, 10511472, 13139340, 14015296, 17519120, 21022944, 26278680, 28030592, 35038240, 42045888, 52557360, 70076480, 84091776, 105114720, 140152960, 210229440, 420458880]

約数ペア:

[(1, 420458880), (2, 210229440), (3, 140152960), (4, 105114720), (5, 84091776), (6, 70076480), (8, 52557360), (10, 42045888), (12, 35038240), (15, 28030592), (16, 26278680), (20, 21022944), (24, 17519120), (30, 14015296), (32, 13139340), (40, 10511472), (48, 8759560), (60, 7007648), (64, 6569670), (80, 5255736), (96, 4379780), (120, 3503824), (128, 3284835), (160, 2627868), (192, 2189890), (240, 1751912), (320, 1313934), (384, 1094945), (480, 875956), (640, 656967), (960, 437978), (1920, 218989)]