71944880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{128473}}^1$

素因数の和:128493

約数の個数: 40

約数和(自身を含む): 191169312

約数和(自身を除く): 119224432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 128473, 256946, 513892, 642365, 899311, 1027784, 1284730, 1798622, 2055568, 2569460, 3597244, 4496555, 5138920, 7194488, 8993110, 10277840, 14388976, 17986220, 35972440, 71944880]

約数ペア:

[(1, 71944880), (2, 35972440), (4, 17986220), (5, 14388976), (7, 10277840), (8, 8993110), (10, 7194488), (14, 5138920), (16, 4496555), (20, 3597244), (28, 2569460), (35, 2055568), (40, 1798622), (56, 1284730), (70, 1027784), (80, 899311), (112, 642365), (140, 513892), (280, 256946), (560, 128473)]