181939520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{81223}}^1$

素因数の和:81247

約数の個数: 56

約数和(自身を含む): 495141504

約数和(自身を除く): 313201984

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, 81223, 162446, 324892, 406115, 568561, 649784, 812230, 1137122, 1299568, 1624460, 2274244, 2599136, 2842805, 3248920, 4548488, 5198272, 5685610, 6497840, 9096976, 11371220, 12995680, 18193952, 22742440, 25991360, 36387904, 45484880, 90969760, 181939520]

約数ペア:

[(1, 181939520), (2, 90969760), (4, 45484880), (5, 36387904), (7, 25991360), (8, 22742440), (10, 18193952), (14, 12995680), (16, 11371220), (20, 9096976), (28, 6497840), (32, 5685610), (35, 5198272), (40, 4548488), (56, 3248920), (64, 2842805), (70, 2599136), (80, 2274244), (112, 1624460), (140, 1299568), (160, 1137122), (224, 812230), (280, 649784), (320, 568561), (448, 406115), (560, 324892), (1120, 162446), (2240, 81223)]