2631540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{719}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 7499520

約数和(自身を除く): 4867980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 719, 732, 915, 1220, 1438, 1830, 2157, 2876, 3595, 3660, 4314, 7190, 8628, 10785, 14380, 21570, 43140, 43859, 87718, 131577, 175436, 219295, 263154, 438590, 526308, 657885, 877180, 1315770, 2631540]

約数ペア:

[(1, 2631540), (2, 1315770), (3, 877180), (4, 657885), (5, 526308), (6, 438590), (10, 263154), (12, 219295), (15, 175436), (20, 131577), (30, 87718), (60, 43859), (61, 43140), (122, 21570), (183, 14380), (244, 10785), (305, 8628), (366, 7190), (610, 4314), (719, 3660), (732, 3595), (915, 2876), (1220, 2157), (1438, 1830)]