340430720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{75989}}^1$

素因数の和:76015

約数の個数: 64

約数和(自身を含む): 930117600

約数和(自身を除く): 589686880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 75989, 151978, 303956, 379945, 531923, 607912, 759890, 1063846, 1215824, 1519780, 2127692, 2431648, 2659615, 3039560, 4255384, 4863296, 5319230, 6079120, 8510768, 9726592, 10638460, 12158240, 17021536, 21276920, 24316480, 34043072, 42553840, 48632960, 68086144, 85107680, 170215360, 340430720]

約数ペア:

[(1, 340430720), (2, 170215360), (4, 85107680), (5, 68086144), (7, 48632960), (8, 42553840), (10, 34043072), (14, 24316480), (16, 21276920), (20, 17021536), (28, 12158240), (32, 10638460), (35, 9726592), (40, 8510768), (56, 6079120), (64, 5319230), (70, 4863296), (80, 4255384), (112, 3039560), (128, 2659615), (140, 2431648), (160, 2127692), (224, 1519780), (280, 1215824), (320, 1063846), (448, 759890), (560, 607912), (640, 531923), (896, 379945), (1120, 303956), (2240, 151978), (4480, 75989)]