8072540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 72

約数和(自身を含む): 20438880

約数和(自身を除く): 12366340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 109, 115, 140, 161, 218, 230, 322, 436, 460, 529, 545, 644, 763, 805, 1058, 1090, 1526, 1610, 2116, 2180, 2507, 2645, 3052, 3220, 3703, 3815, 5014, 5290, 7406, 7630, 10028, 10580, 12535, 14812, 15260, 17549, 18515, 25070, 35098, 37030, 50140, 57661, 70196, 74060, 87745, 115322, 175490, 230644, 288305, 350980, 403627, 576610, 807254, 1153220, 1614508, 2018135, 4036270, 8072540]

約数ペア:

[(1, 8072540), (2, 4036270), (4, 2018135), (5, 1614508), (7, 1153220), (10, 807254), (14, 576610), (20, 403627), (23, 350980), (28, 288305), (35, 230644), (46, 175490), (70, 115322), (92, 87745), (109, 74060), (115, 70196), (140, 57661), (161, 50140), (218, 37030), (230, 35098), (322, 25070), (436, 18515), (460, 17549), (529, 15260), (545, 14812), (644, 12535), (763, 10580), (805, 10028), (1058, 7630), (1090, 7406), (1526, 5290), (1610, 5014), (2116, 3815), (2180, 3703), (2507, 3220), (2645, 3052)]