21183664080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{226903}}^1$

素因数の和:227308

約数の個数: 80

約数和(自身を含む): 65838464640

約数和(自身を除く): 44654800560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 1167, 1556, 1945, 2334, 3112, 3890, 4668, 5835, 6224, 7780, 9336, 11670, 15560, 18672, 23340, 31120, 46680, 93360, 226903, 453806, 680709, 907612, 1134515, 1361418, 1815224, 2269030, 2722836, 3403545, 3630448, 4538060, 5445672, 6807090, 9076120, 10891344, 13614180, 18152240, 27228360, 54456720, 88265267, 176530534, 264795801, 353061068, 441326335, 529591602, 706122136, 882652670, 1059183204, 1323979005, 1412244272, 1765305340, 2118366408, 2647958010, 3530610680, 4236732816, 5295916020, 7061221360, 10591832040, 21183664080]

約数ペア:

[(1, 21183664080), (2, 10591832040), (3, 7061221360), (4, 5295916020), (5, 4236732816), (6, 3530610680), (8, 2647958010), (10, 2118366408), (12, 1765305340), (15, 1412244272), (16, 1323979005), (20, 1059183204), (24, 882652670), (30, 706122136), (40, 529591602), (48, 441326335), (60, 353061068), (80, 264795801), (120, 176530534), (240, 88265267), (389, 54456720), (778, 27228360), (1167, 18152240), (1556, 13614180), (1945, 10891344), (2334, 9076120), (3112, 6807090), (3890, 5445672), (4668, 4538060), (5835, 3630448), (6224, 3403545), (7780, 2722836), (9336, 2269030), (11670, 1815224), (15560, 1361418), (18672, 1134515), (23340, 907612), (31120, 680709), (46680, 453806), (93360, 226903)]