7883960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 20848320

約数和(自身を除く): 12964360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 761, 1036, 1295, 1480, 1522, 2072, 2590, 3044, 3805, 5180, 5327, 6088, 7610, 10360, 10654, 15220, 21308, 26635, 28157, 30440, 42616, 53270, 56314, 106540, 112628, 140785, 197099, 213080, 225256, 281570, 394198, 563140, 788396, 985495, 1126280, 1576792, 1970990, 3941980, 7883960]

約数ペア:

[(1, 7883960), (2, 3941980), (4, 1970990), (5, 1576792), (7, 1126280), (8, 985495), (10, 788396), (14, 563140), (20, 394198), (28, 281570), (35, 225256), (37, 213080), (40, 197099), (56, 140785), (70, 112628), (74, 106540), (140, 56314), (148, 53270), (185, 42616), (259, 30440), (280, 28157), (296, 26635), (370, 21308), (518, 15220), (740, 10654), (761, 10360), (1036, 7610), (1295, 6088), (1480, 5327), (1522, 5180), (2072, 3805), (2590, 3044)]