211920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{883}}^1$

素因数の和:899

約数の個数: 40

約数和(自身を含む): 657696

約数和(自身を除く): 445776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 883, 1766, 2649, 3532, 4415, 5298, 7064, 8830, 10596, 13245, 14128, 17660, 21192, 26490, 35320, 42384, 52980, 70640, 105960, 211920]

約数ペア:

[(1, 211920), (2, 105960), (3, 70640), (4, 52980), (5, 42384), (6, 35320), (8, 26490), (10, 21192), (12, 17660), (15, 14128), (16, 13245), (20, 10596), (24, 8830), (30, 7064), (40, 5298), (48, 4415), (60, 3532), (80, 2649), (120, 1766), (240, 883)]