81800640

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{28403}}^1$

素因数の和:28426

約数の個数: 84

約数和(自身を含む): 281370024

約数和(自身を除く): 199569384

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 480, 576, 720, 960, 1440, 2880, 28403, 56806, 85209, 113612, 142015, 170418, 227224, 255627, 284030, 340836, 426045, 454448, 511254, 568060, 681672, 852090, 908896, 1022508, 1136120, 1278135, 1363344, 1704180, 1817792, 2045016, 2272240, 2556270, 2726688, 3408360, 4090032, 4544480, 5112540, 5453376, 6816720, 8180064, 9088960, 10225080, 13633440, 16360128, 20450160, 27266880, 40900320, 81800640]

約数ペア:

[(1, 81800640), (2, 40900320), (3, 27266880), (4, 20450160), (5, 16360128), (6, 13633440), (8, 10225080), (9, 9088960), (10, 8180064), (12, 6816720), (15, 5453376), (16, 5112540), (18, 4544480), (20, 4090032), (24, 3408360), (30, 2726688), (32, 2556270), (36, 2272240), (40, 2045016), (45, 1817792), (48, 1704180), (60, 1363344), (64, 1278135), (72, 1136120), (80, 1022508), (90, 908896), (96, 852090), (120, 681672), (144, 568060), (160, 511254), (180, 454448), (192, 426045), (240, 340836), (288, 284030), (320, 255627), (360, 227224), (480, 170418), (576, 142015), (720, 113612), (960, 85209), (1440, 56806), (2880, 28403)]