324782720

素因数分解:

$2^7\times 5^1\times {\mathrm{509}}^1\times {\mathrm{997}}^1$

素因数の和:1525

約数の個数: 64

約数和(自身を含む): 778739400

約数和(自身を除く): 453956680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 509, 640, 997, 1018, 1994, 2036, 2545, 3988, 4072, 4985, 5090, 7976, 8144, 9970, 10180, 15952, 16288, 19940, 20360, 31904, 32576, 39880, 40720, 63808, 65152, 79760, 81440, 127616, 159520, 162880, 319040, 325760, 507473, 638080, 1014946, 2029892, 2537365, 4059784, 5074730, 8119568, 10149460, 16239136, 20298920, 32478272, 40597840, 64956544, 81195680, 162391360, 324782720]

約数ペア:

[(1, 324782720), (2, 162391360), (4, 81195680), (5, 64956544), (8, 40597840), (10, 32478272), (16, 20298920), (20, 16239136), (32, 10149460), (40, 8119568), (64, 5074730), (80, 4059784), (128, 2537365), (160, 2029892), (320, 1014946), (509, 638080), (640, 507473), (997, 325760), (1018, 319040), (1994, 162880), (2036, 159520), (2545, 127616), (3988, 81440), (4072, 79760), (4985, 65152), (5090, 63808), (7976, 40720), (8144, 39880), (9970, 32576), (10180, 31904), (15952, 20360), (16288, 19940)]