30428240

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1223}}^1$

素因数の和:1547

約数の個数: 40

約数和(自身を含む): 71031168

約数和(自身を除く): 40602928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1223, 1244, 1555, 2446, 2488, 3110, 4892, 4976, 6115, 6220, 9784, 12230, 12440, 19568, 24460, 24880, 48920, 97840, 380353, 760706, 1521412, 1901765, 3042824, 3803530, 6085648, 7607060, 15214120, 30428240]

約数ペア:

[(1, 30428240), (2, 15214120), (4, 7607060), (5, 6085648), (8, 3803530), (10, 3042824), (16, 1901765), (20, 1521412), (40, 760706), (80, 380353), (311, 97840), (622, 48920), (1223, 24880), (1244, 24460), (1555, 19568), (2446, 12440), (2488, 12230), (3110, 9784), (4892, 6220), (4976, 6115)]