819804780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79903}}^1$

素因数の和:79940

約数の個数: 96

約数和(自身を含む): 2684774400

約数和(自身を除く): 1864969620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 79903, 159806, 239709, 319612, 399515, 479418, 719127, 799030, 958836, 1198545, 1438254, 1518157, 1598060, 2157381, 2397090, 2876508, 3036314, 3595635, 4314762, 4554471, 4794180, 6072628, 7191270, 7590785, 8629524, 9108942, 10786905, 13663413, 14382540, 15181570, 18217884, 21573810, 22772355, 27326826, 30363140, 40990239, 43147620, 45544710, 54653652, 68317065, 81980478, 91089420, 136634130, 163960956, 204951195, 273268260, 409902390, 819804780]

約数ペア:

[(1, 819804780), (2, 409902390), (3, 273268260), (4, 204951195), (5, 163960956), (6, 136634130), (9, 91089420), (10, 81980478), (12, 68317065), (15, 54653652), (18, 45544710), (19, 43147620), (20, 40990239), (27, 30363140), (30, 27326826), (36, 22772355), (38, 21573810), (45, 18217884), (54, 15181570), (57, 14382540), (60, 13663413), (76, 10786905), (90, 9108942), (95, 8629524), (108, 7590785), (114, 7191270), (135, 6072628), (171, 4794180), (180, 4554471), (190, 4314762), (228, 3595635), (270, 3036314), (285, 2876508), (342, 2397090), (380, 2157381), (513, 1598060), (540, 1518157), (570, 1438254), (684, 1198545), (855, 958836), (1026, 799030), (1140, 719127), (1710, 479418), (2052, 399515), (2565, 319612), (3420, 239709), (5130, 159806), (10260, 79903)]