78831960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1861}}^1$

素因数の和:2228

約数の個数: 64

約数和(自身を含む): 237293280

約数和(自身を除く): 158461320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 353, 706, 1059, 1412, 1765, 1861, 2118, 2824, 3530, 3722, 4236, 5295, 5583, 7060, 7444, 8472, 9305, 10590, 11166, 14120, 14888, 18610, 21180, 22332, 27915, 37220, 42360, 44664, 55830, 74440, 111660, 223320, 656933, 1313866, 1970799, 2627732, 3284665, 3941598, 5255464, 6569330, 7883196, 9853995, 13138660, 15766392, 19707990, 26277320, 39415980, 78831960]

約数ペア:

[(1, 78831960), (2, 39415980), (3, 26277320), (4, 19707990), (5, 15766392), (6, 13138660), (8, 9853995), (10, 7883196), (12, 6569330), (15, 5255464), (20, 3941598), (24, 3284665), (30, 2627732), (40, 1970799), (60, 1313866), (120, 656933), (353, 223320), (706, 111660), (1059, 74440), (1412, 55830), (1765, 44664), (1861, 42360), (2118, 37220), (2824, 27915), (3530, 22332), (3722, 21180), (4236, 18610), (5295, 14888), (5583, 14120), (7060, 11166), (7444, 10590), (8472, 9305)]