81283140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23767}}^1$

素因数の和:23801

約数の個数: 72

約数和(自身を含む): 259546560

約数和(自身を除く): 178263420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23767, 47534, 71301, 95068, 118835, 142602, 213903, 237670, 285204, 356505, 427806, 451573, 475340, 713010, 855612, 903146, 1069515, 1354719, 1426020, 1806292, 2139030, 2257865, 2709438, 4064157, 4278060, 4515730, 5418876, 6773595, 8128314, 9031460, 13547190, 16256628, 20320785, 27094380, 40641570, 81283140]

約数ペア:

[(1, 81283140), (2, 40641570), (3, 27094380), (4, 20320785), (5, 16256628), (6, 13547190), (9, 9031460), (10, 8128314), (12, 6773595), (15, 5418876), (18, 4515730), (19, 4278060), (20, 4064157), (30, 2709438), (36, 2257865), (38, 2139030), (45, 1806292), (57, 1426020), (60, 1354719), (76, 1069515), (90, 903146), (95, 855612), (114, 713010), (171, 475340), (180, 451573), (190, 427806), (228, 356505), (285, 285204), (342, 237670), (380, 213903), (570, 142602), (684, 118835), (855, 95068), (1140, 71301), (1710, 47534), (3420, 23767)]