31015740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73847}}^1$

素因数の和:73866

約数の個数: 48

約数和(自身を含む): 99251712

約数和(自身を除く): 68235972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 73847, 147694, 221541, 295388, 369235, 443082, 516929, 738470, 886164, 1033858, 1107705, 1476940, 1550787, 2067716, 2215410, 2584645, 3101574, 4430820, 5169290, 6203148, 7753935, 10338580, 15507870, 31015740]

約数ペア:

[(1, 31015740), (2, 15507870), (3, 10338580), (4, 7753935), (5, 6203148), (6, 5169290), (7, 4430820), (10, 3101574), (12, 2584645), (14, 2215410), (15, 2067716), (20, 1550787), (21, 1476940), (28, 1107705), (30, 1033858), (35, 886164), (42, 738470), (60, 516929), (70, 443082), (84, 369235), (105, 295388), (140, 221541), (210, 147694), (420, 73847)]