87720640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{39161}}^1$

素因数の和:39185

約数の個数: 56

約数和(自身を含む): 238731552

約数和(自身を除く): 151010912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 39161, 78322, 156644, 195805, 274127, 313288, 391610, 548254, 626576, 783220, 1096508, 1253152, 1370635, 1566440, 2193016, 2506304, 2741270, 3132880, 4386032, 5482540, 6265760, 8772064, 10965080, 12531520, 17544128, 21930160, 43860320, 87720640]

約数ペア:

[(1, 87720640), (2, 43860320), (4, 21930160), (5, 17544128), (7, 12531520), (8, 10965080), (10, 8772064), (14, 6265760), (16, 5482540), (20, 4386032), (28, 3132880), (32, 2741270), (35, 2506304), (40, 2193016), (56, 1566440), (64, 1370635), (70, 1253152), (80, 1096508), (112, 783220), (140, 626576), (160, 548254), (224, 391610), (280, 313288), (320, 274127), (448, 195805), (560, 156644), (1120, 78322), (2240, 39161)]