18481440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:434

約数の個数: 96

約数和(自身を含む): 58847040

約数和(自身を除く): 40365600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 139, 160, 240, 277, 278, 417, 480, 554, 556, 695, 831, 834, 1108, 1112, 1385, 1390, 1662, 1668, 2085, 2216, 2224, 2770, 2780, 3324, 3336, 4155, 4170, 4432, 4448, 5540, 5560, 6648, 6672, 8310, 8340, 8864, 11080, 11120, 13296, 13344, 16620, 16680, 22160, 22240, 26592, 33240, 33360, 38503, 44320, 66480, 66720, 77006, 115509, 132960, 154012, 192515, 231018, 308024, 385030, 462036, 577545, 616048, 770060, 924072, 1155090, 1232096, 1540120, 1848144, 2310180, 3080240, 3696288, 4620360, 6160480, 9240720, 18481440]

約数ペア:

[(1, 18481440), (2, 9240720), (3, 6160480), (4, 4620360), (5, 3696288), (6, 3080240), (8, 2310180), (10, 1848144), (12, 1540120), (15, 1232096), (16, 1155090), (20, 924072), (24, 770060), (30, 616048), (32, 577545), (40, 462036), (48, 385030), (60, 308024), (80, 231018), (96, 192515), (120, 154012), (139, 132960), (160, 115509), (240, 77006), (277, 66720), (278, 66480), (417, 44320), (480, 38503), (554, 33360), (556, 33240), (695, 26592), (831, 22240), (834, 22160), (1108, 16680), (1112, 16620), (1385, 13344), (1390, 13296), (1662, 11120), (1668, 11080), (2085, 8864), (2216, 8340), (2224, 8310), (2770, 6672), (2780, 6648), (3324, 5560), (3336, 5540), (4155, 4448), (4170, 4432)]